diff --git a/internal/image/docker_schema1_test.go b/internal/image/docker_schema1_test.go
index ee3f31187..9eda5d321 100644
--- a/internal/image/docker_schema1_test.go
+++ b/internal/image/docker_schema1_test.go
@@ -115,7 +115,7 @@ func manifestSchema1FromComponentsLikeFixture(t *testing.T) genericManifest {
 		{BlobSum: "sha256:4aa565ad8b7a87248163ce7dba1dd3894821aac97e846b932ff6b8ef9a8a508a"},
 		{BlobSum: "sha256:9cadd93b16ff2a0c51ac967ea2abfadfac50cfa3af8b5bf983d89b8f8647f3e4"},
 	}, []manifest.Schema1History{
-		{V1Compatibility: "{\"architecture\":\"amd64\",\"config\":{\"Hostname\":\"9428cdea83ba\",\"Domainname\":\"\",\"User\":\"nova\",\"AttachStdin\":false,\"AttachStdout\":false,\"AttachStderr\":false,\"Tty\":false,\"OpenStdin\":false,\"StdinOnce\":false,\"Env\":[\"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin\",\"container=oci\",\"KOLLA_BASE_DISTRO=rhel\",\"KOLLA_INSTALL_TYPE=binary\",\"KOLLA_INSTALL_METATYPE=rhos\",\"PS1=$(tput bold)($(printenv KOLLA_SERVICE_NAME))$(tput sgr0)[$(id -un)@$(hostname -s) $(pwd)]$ \"],\"Cmd\":[\"kolla_start\"],\"Healthcheck\":{\"Test\":[\"CMD-SHELL\",\"/openstack/healthcheck\"]},\"ArgsEscaped\":true,\"Image\":\"3bf9afe371220b1eb1c57bec39b5a99ba976c36c92d964a1c014584f95f51e33\",\"Volumes\":null,\"WorkingDir\":\"\",\"Entrypoint\":null,\"OnBuild\":[],\"Labels\":{\"Kolla-SHA\":\"5.0.0-39-g6f1b947b\",\"architecture\":\"x86_64\",\"authoritative-source-url\":\"registry.access.redhat.com\",\"build-date\":\"2018-01-25T00:32:27.807261\",\"com.redhat.build-host\":\"ip-10-29-120-186.ec2.internal\",\"com.redhat.component\":\"openstack-nova-api-docker\",\"description\":\"Red Hat OpenStack Platform 12.0 nova-api\",\"distribution-scope\":\"public\",\"io.k8s.description\":\"Red Hat OpenStack Platform 12.0 nova-api\",\"io.k8s.display-name\":\"Red Hat OpenStack Platform 12.0 nova-api\",\"io.openshift.tags\":\"rhosp osp openstack osp-12.0\",\"kolla_version\":\"stable/pike\",\"name\":\"rhosp12/openstack-nova-api\",\"release\":\"20180124.1\",\"summary\":\"Red Hat OpenStack Platform 12.0 nova-api\",\"tripleo-common_version\":\"7.6.3-23-g4891cfe\",\"url\":\"https://access.redhat.com/containers/#/registry.access.redhat.com/rhosp12/openstack-nova-api/images/12.0-20180124.1\",\"vcs-ref\":\"9b31243b7b448eb2fc3b6e2c96935b948f806e98\",\"vcs-type\":\"git\",\"vendor\":\"Red Hat, Inc.\",\"version\":\"12.0\",\"version-release\":\"12.0-20180124.1\"}},\"container_config\":{\"Hostname\":\"9428cdea83ba\",\"Domainname\":\"\",\"User\":\"nova\",\"AttachStdin\":false,\"AttachStdout\":false,\"AttachStderr\":false,\"Tty\":false,\"OpenStdin\":false,\"StdinOnce\":false,\"Env\":[\"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin\",\"container=oci\",\"KOLLA_BASE_DISTRO=rhel\",\"KOLLA_INSTALL_TYPE=binary\",\"KOLLA_INSTALL_METATYPE=rhos\",\"PS1=$(tput bold)($(printenv KOLLA_SERVICE_NAME))$(tput sgr0)[$(id -un)@$(hostname -s) $(pwd)]$ \"],\"Cmd\":[\"/bin/sh\",\"-c\",\"#(nop) \",\"USER [nova]\"],\"Healthcheck\":{\"Test\":[\"CMD-SHELL\",\"/openstack/healthcheck\"]},\"ArgsEscaped\":true,\"Image\":\"sha256:274ce4dcbeb09fa173a5d50203ae5cec28f456d1b8b59477b47a42bd74d068bf\",\"Volumes\":null,\"WorkingDir\":\"\",\"Entrypoint\":null,\"OnBuild\":[],\"Labels\":{\"Kolla-SHA\":\"5.0.0-39-g6f1b947b\",\"architecture\":\"x86_64\",\"authoritative-source-url\":\"registry.access.redhat.com\",\"build-date\":\"2018-01-25T00:32:27.807261\",\"com.redhat.build-host\":\"ip-10-29-120-186.ec2.internal\",\"com.redhat.component\":\"openstack-nova-api-docker\",\"description\":\"Red Hat OpenStack Platform 12.0 nova-api\",\"distribution-scope\":\"public\",\"io.k8s.description\":\"Red Hat OpenStack Platform 12.0 nova-api\",\"io.k8s.display-name\":\"Red Hat OpenStack Platform 12.0 nova-api\",\"io.openshift.tags\":\"rhosp osp openstack osp-12.0\",\"kolla_version\":\"stable/pike\",\"name\":\"rhosp12/openstack-nova-api\",\"release\":\"20180124.1\",\"summary\":\"Red Hat OpenStack Platform 12.0 nova-api\",\"tripleo-common_version\":\"7.6.3-23-g4891cfe\",\"url\":\"https://access.redhat.com/containers/#/registry.access.redhat.com/rhosp12/openstack-nova-api/images/12.0-20180124.1\",\"vcs-ref\":\"9b31243b7b448eb2fc3b6e2c96935b948f806e98\",\"vcs-type\":\"git\",\"vendor\":\"Red Hat, Inc.\",\"version\":\"12.0\",\"version-release\":\"12.0-20180124.1\"}},\"created\":\"2018-01-25T00:37:48.268558Z\",\"docker_version\":\"1.12.6\",\"id\":\"486cbbaf6c6f7d890f9368c86eda3f4ebe3ae982b75098037eb3c3cc6f0e0cdf\",\"os\":\"linux\",\"parent\":\"20d0c9c79f9fee83c4094993335b9b321112f13eef60ed9ec1599c7593dccf20\"}"},
+		{V1Compatibility: "{\"architecture\":\"amd64\",\"comment\": \"test comment\",\"config\":{\"Hostname\":\"9428cdea83ba\",\"Domainname\":\"\",\"User\":\"nova\",\"AttachStdin\":false,\"AttachStdout\":false,\"AttachStderr\":false,\"Tty\":false,\"OpenStdin\":false,\"StdinOnce\":false,\"Env\":[\"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin\",\"container=oci\",\"KOLLA_BASE_DISTRO=rhel\",\"KOLLA_INSTALL_TYPE=binary\",\"KOLLA_INSTALL_METATYPE=rhos\",\"PS1=$(tput bold)($(printenv KOLLA_SERVICE_NAME))$(tput sgr0)[$(id -un)@$(hostname -s) $(pwd)]$ \"],\"Cmd\":[\"kolla_start\"],\"Healthcheck\":{\"Test\":[\"CMD-SHELL\",\"/openstack/healthcheck\"]},\"ArgsEscaped\":true,\"Image\":\"3bf9afe371220b1eb1c57bec39b5a99ba976c36c92d964a1c014584f95f51e33\",\"Volumes\":null,\"WorkingDir\":\"\",\"Entrypoint\":null,\"OnBuild\":[],\"Labels\":{\"Kolla-SHA\":\"5.0.0-39-g6f1b947b\",\"architecture\":\"x86_64\",\"authoritative-source-url\":\"registry.access.redhat.com\",\"build-date\":\"2018-01-25T00:32:27.807261\",\"com.redhat.build-host\":\"ip-10-29-120-186.ec2.internal\",\"com.redhat.component\":\"openstack-nova-api-docker\",\"description\":\"Red Hat OpenStack Platform 12.0 nova-api\",\"distribution-scope\":\"public\",\"io.k8s.description\":\"Red Hat OpenStack Platform 12.0 nova-api\",\"io.k8s.display-name\":\"Red Hat OpenStack Platform 12.0 nova-api\",\"io.openshift.tags\":\"rhosp osp openstack osp-12.0\",\"kolla_version\":\"stable/pike\",\"name\":\"rhosp12/openstack-nova-api\",\"release\":\"20180124.1\",\"summary\":\"Red Hat OpenStack Platform 12.0 nova-api\",\"tripleo-common_version\":\"7.6.3-23-g4891cfe\",\"url\":\"https://access.redhat.com/containers/#/registry.access.redhat.com/rhosp12/openstack-nova-api/images/12.0-20180124.1\",\"vcs-ref\":\"9b31243b7b448eb2fc3b6e2c96935b948f806e98\",\"vcs-type\":\"git\",\"vendor\":\"Red Hat, Inc.\",\"version\":\"12.0\",\"version-release\":\"12.0-20180124.1\"}},\"container_config\":{\"Hostname\":\"9428cdea83ba\",\"Domainname\":\"\",\"User\":\"nova\",\"AttachStdin\":false,\"AttachStdout\":false,\"AttachStderr\":false,\"Tty\":false,\"OpenStdin\":false,\"StdinOnce\":false,\"Env\":[\"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin\",\"container=oci\",\"KOLLA_BASE_DISTRO=rhel\",\"KOLLA_INSTALL_TYPE=binary\",\"KOLLA_INSTALL_METATYPE=rhos\",\"PS1=$(tput bold)($(printenv KOLLA_SERVICE_NAME))$(tput sgr0)[$(id -un)@$(hostname -s) $(pwd)]$ \"],\"Cmd\":[\"/bin/sh\",\"-c\",\"#(nop) \",\"USER [nova]\"],\"Healthcheck\":{\"Test\":[\"CMD-SHELL\",\"/openstack/healthcheck\"]},\"ArgsEscaped\":true,\"Image\":\"sha256:274ce4dcbeb09fa173a5d50203ae5cec28f456d1b8b59477b47a42bd74d068bf\",\"Volumes\":null,\"WorkingDir\":\"\",\"Entrypoint\":null,\"OnBuild\":[],\"Labels\":{\"Kolla-SHA\":\"5.0.0-39-g6f1b947b\",\"architecture\":\"x86_64\",\"authoritative-source-url\":\"registry.access.redhat.com\",\"build-date\":\"2018-01-25T00:32:27.807261\",\"com.redhat.build-host\":\"ip-10-29-120-186.ec2.internal\",\"com.redhat.component\":\"openstack-nova-api-docker\",\"description\":\"Red Hat OpenStack Platform 12.0 nova-api\",\"distribution-scope\":\"public\",\"io.k8s.description\":\"Red Hat OpenStack Platform 12.0 nova-api\",\"io.k8s.display-name\":\"Red Hat OpenStack Platform 12.0 nova-api\",\"io.openshift.tags\":\"rhosp osp openstack osp-12.0\",\"kolla_version\":\"stable/pike\",\"name\":\"rhosp12/openstack-nova-api\",\"release\":\"20180124.1\",\"summary\":\"Red Hat OpenStack Platform 12.0 nova-api\",\"tripleo-common_version\":\"7.6.3-23-g4891cfe\",\"url\":\"https://access.redhat.com/containers/#/registry.access.redhat.com/rhosp12/openstack-nova-api/images/12.0-20180124.1\",\"vcs-ref\":\"9b31243b7b448eb2fc3b6e2c96935b948f806e98\",\"vcs-type\":\"git\",\"vendor\":\"Red Hat, Inc.\",\"version\":\"12.0\",\"version-release\":\"12.0-20180124.1\"}},\"created\":\"2018-01-25T00:37:48.268558Z\",\"docker_version\":\"1.12.6\",\"id\":\"486cbbaf6c6f7d890f9368c86eda3f4ebe3ae982b75098037eb3c3cc6f0e0cdf\",\"os\":\"linux\",\"parent\":\"20d0c9c79f9fee83c4094993335b9b321112f13eef60ed9ec1599c7593dccf20\"}"},
 		{V1Compatibility: "{\"id\":\"20d0c9c79f9fee83c4094993335b9b321112f13eef60ed9ec1599c7593dccf20\",\"parent\":\"47a1014db2116c312736e11adcc236fb77d0ad32457f959cbaec0c3fc9ab1caa\",\"created\":\"2018-01-24T23:08:25.300741Z\",\"container_config\":{\"Cmd\":[\"/bin/sh -c rm -f '/etc/yum.repos.d/rhel-7.4.repo' '/etc/yum.repos.d/rhos-optools-12.0.repo' '/etc/yum.repos.d/rhos-12.0-container-yum-need_images.repo'\"]}}"},
 		{V1Compatibility: "{\"id\":\"47a1014db2116c312736e11adcc236fb77d0ad32457f959cbaec0c3fc9ab1caa\",\"parent\":\"cec66cab6c92a5f7b50ef407b80b83840a0d089b9896257609fd01de3a595824\",\"created\":\"2018-01-24T22:00:57.807862Z\",\"container_config\":{\"Cmd\":[\"/bin/sh -c rm -f '/etc/yum.repos.d/rhel-7.4.repo' '/etc/yum.repos.d/rhos-optools-12.0.repo' '/etc/yum.repos.d/rhos-12.0-container-yum-need_images.repo'\"]}}"},
 		{V1Compatibility: "{\"id\":\"cec66cab6c92a5f7b50ef407b80b83840a0d089b9896257609fd01de3a595824\",\"parent\":\"0e7730eccb3d014b33147b745d771bc0e38a967fd932133a6f5325a3c84282e2\",\"created\":\"2018-01-24T21:40:32.494686Z\",\"container_config\":{\"Cmd\":[\"/bin/sh -c rm -f '/etc/yum.repos.d/rhel-7.4.repo' '/etc/yum.repos.d/rhos-optools-12.0.repo' '/etc/yum.repos.d/rhos-12.0-container-yum-need_images.repo'\"]}}"},
@@ -268,6 +268,7 @@ func TestManifestSchema1Inspect(t *testing.T) {
 		assert.Equal(t, types.ImageInspectInfo{
 			Tag:           "latest",
 			Created:       &created,
+			Comment:       "test comment",
 			DockerVersion: "1.12.6",
 			Labels: map[string]string{
 				"Kolla-SHA":                "5.0.0-39-g6f1b947b",
diff --git a/internal/image/docker_schema2_test.go b/internal/image/docker_schema2_test.go
index cf3b7f4ea..31e81cf02 100644
--- a/internal/image/docker_schema2_test.go
+++ b/internal/image/docker_schema2_test.go
@@ -22,7 +22,7 @@ import (
 	"golang.org/x/exp/slices"
 )
 
-const commonFixtureConfigDigest = "sha256:9ca4bda0a6b3727a6ffcc43e981cad0f24e2ec79d338f6ba325b4dfd0756fb8f"
+const commonFixtureConfigDigest = "sha256:89d33d1a487fd8712d87c8c92ba9c5ca5d80ee94127e62fbcaee7709e1ed9a0f"
 
 func manifestSchema2FromFixture(t *testing.T, src types.ImageSource, fixture string, mustFail bool) genericManifest {
 	manifest, err := os.ReadFile(filepath.Join("fixtures", fixture))
@@ -257,6 +257,7 @@ func TestManifestSchema2Inspect(t *testing.T) {
 	assert.Equal(t, types.ImageInspectInfo{
 		Tag:           "",
 		Created:       &created,
+		Comment:       "test comment",
 		DockerVersion: "1.12.1",
 		Labels:        map[string]string{},
 		Architecture:  "amd64",
diff --git a/internal/image/fixtures/oci1-config-extra-fields.json b/internal/image/fixtures/oci1-config-extra-fields.json
index 1d670d590..bb01f90b0 100644
--- a/internal/image/fixtures/oci1-config-extra-fields.json
+++ b/internal/image/fixtures/oci1-config-extra-fields.json
@@ -2,6 +2,7 @@
     "extra-string-field": "string",
     "extra-object": {"foo":"bar"},
     "architecture": "amd64",
+    "comment": "test comment",
     "config": {
         "Hostname": "383850eeb47b",
         "Domainname": "",
diff --git a/internal/image/fixtures/oci1-config.json b/internal/image/fixtures/oci1-config.json
index f49230ea7..22578c785 100644
--- a/internal/image/fixtures/oci1-config.json
+++ b/internal/image/fixtures/oci1-config.json
@@ -1 +1 @@
-{"architecture":"amd64","config":{"Hostname":"383850eeb47b","Domainname":"","User":"","AttachStdin":false,"AttachStdout":false,"AttachStderr":false,"ExposedPorts":{"80/tcp":{}},"Tty":false,"OpenStdin":false,"StdinOnce":false,"Env":["PATH=/usr/local/apache2/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin","HTTPD_PREFIX=/usr/local/apache2","HTTPD_VERSION=2.4.23","HTTPD_SHA1=5101be34ac4a509b245adb70a56690a84fcc4e7f","HTTPD_BZ2_URL=https://www.apache.org/dyn/closer.cgi?action=download\u0026filename=httpd/httpd-2.4.23.tar.bz2","HTTPD_ASC_URL=https://www.apache.org/dist/httpd/httpd-2.4.23.tar.bz2.asc"],"Cmd":["httpd-foreground"],"ArgsEscaped":true,"Image":"sha256:4f83530449c67c1ed8fca72583c5b92fdf446010990028c362a381e55dd84afd","Volumes":null,"WorkingDir":"/usr/local/apache2","Entrypoint":null,"OnBuild":[],"Labels":{}},"container":"8825acde1b009729807e4b70a65a89399dd8da8e53be9216b9aaabaff4339f69","container_config":{"Hostname":"383850eeb47b","Domainname":"","User":"","AttachStdin":false,"AttachStdout":false,"AttachStderr":false,"ExposedPorts":{"80/tcp":{}},"Tty":false,"OpenStdin":false,"StdinOnce":false,"Env":["PATH=/usr/local/apache2/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin","HTTPD_PREFIX=/usr/local/apache2","HTTPD_VERSION=2.4.23","HTTPD_SHA1=5101be34ac4a509b245adb70a56690a84fcc4e7f","HTTPD_BZ2_URL=https://www.apache.org/dyn/closer.cgi?action=download\u0026filename=httpd/httpd-2.4.23.tar.bz2","HTTPD_ASC_URL=https://www.apache.org/dist/httpd/httpd-2.4.23.tar.bz2.asc"],"Cmd":["/bin/sh","-c","#(nop) ","CMD [\"httpd-foreground\"]"],"ArgsEscaped":true,"Image":"sha256:4f83530449c67c1ed8fca72583c5b92fdf446010990028c362a381e55dd84afd","Volumes":null,"WorkingDir":"/usr/local/apache2","Entrypoint":null,"OnBuild":[],"Labels":{}},"created":"2016-09-23T23:20:45.78976459Z","docker_version":"1.12.1","history":[{"created":"2016-09-23T18:08:50.537223822Z","created_by":"/bin/sh -c #(nop) ADD file:c6c23585ab140b0b320d4e99bc1b0eb544c9e96c24d90fec5e069a6d57d335ca in / "},{"created":"2016-09-23T18:08:51.133779867Z","created_by":"/bin/sh -c #(nop)  CMD [\"/bin/bash\"]","empty_layer":true},{"created":"2016-09-23T19:16:40.725768956Z","created_by":"/bin/sh -c #(nop)  ENV HTTPD_PREFIX=/usr/local/apache2","empty_layer":true},{"created":"2016-09-23T19:16:41.037788416Z","created_by":"/bin/sh -c #(nop)  ENV PATH=/usr/local/apache2/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin","empty_layer":true},{"created":"2016-09-23T19:16:41.990121202Z","created_by":"/bin/sh -c mkdir -p \"$HTTPD_PREFIX\" \t\u0026\u0026 chown www-data:www-data \"$HTTPD_PREFIX\""},{"created":"2016-09-23T19:16:42.339911155Z","created_by":"/bin/sh -c #(nop)  WORKDIR /usr/local/apache2","empty_layer":true},{"created":"2016-09-23T19:16:54.948461741Z","created_by":"/bin/sh -c apt-get update \t\u0026\u0026 apt-get install -y --no-install-recommends \t\tlibapr1 \t\tlibaprutil1 \t\tlibaprutil1-ldap \t\tlibapr1-dev \t\tlibaprutil1-dev \t\tlibpcre++0 \t\tlibssl1.0.0 \t\u0026\u0026 rm -r /var/lib/apt/lists/*"},{"created":"2016-09-23T19:16:55.321573403Z","created_by":"/bin/sh -c #(nop)  ENV HTTPD_VERSION=2.4.23","empty_layer":true},{"created":"2016-09-23T19:16:55.629947307Z","created_by":"/bin/sh -c #(nop)  ENV HTTPD_SHA1=5101be34ac4a509b245adb70a56690a84fcc4e7f","empty_layer":true},{"created":"2016-09-23T23:19:03.705796801Z","created_by":"/bin/sh -c #(nop)  ENV HTTPD_BZ2_URL=https://www.apache.org/dyn/closer.cgi?action=download\u0026filename=httpd/httpd-2.4.23.tar.bz2","empty_layer":true},{"created":"2016-09-23T23:19:04.009782822Z","created_by":"/bin/sh -c #(nop)  ENV HTTPD_ASC_URL=https://www.apache.org/dist/httpd/httpd-2.4.23.tar.bz2.asc","empty_layer":true},{"created":"2016-09-23T23:20:44.585743332Z","created_by":"/bin/sh -c set -x \t\u0026\u0026 buildDeps=' \t\tbzip2 \t\tca-certificates \t\tgcc \t\tlibpcre++-dev \t\tlibssl-dev \t\tmake \t\twget \t' \t\u0026\u0026 apt-get update \t\u0026\u0026 apt-get install -y --no-install-recommends $buildDeps \t\u0026\u0026 rm -r /var/lib/apt/lists/* \t\t\u0026\u0026 wget -O httpd.tar.bz2 \"$HTTPD_BZ2_URL\" \t\u0026\u0026 echo \"$HTTPD_SHA1 *httpd.tar.bz2\" | sha1sum -c - \t\u0026\u0026 wget -O httpd.tar.bz2.asc \"$HTTPD_ASC_URL\" \t\u0026\u0026 export GNUPGHOME=\"$(mktemp -d)\" \t\u0026\u0026 gpg --keyserver ha.pool.sks-keyservers.net --recv-keys A93D62ECC3C8EA12DB220EC934EA76E6791485A8 \t\u0026\u0026 gpg --batch --verify httpd.tar.bz2.asc httpd.tar.bz2 \t\u0026\u0026 rm -r \"$GNUPGHOME\" httpd.tar.bz2.asc \t\t\u0026\u0026 mkdir -p src \t\u0026\u0026 tar -xvf httpd.tar.bz2 -C src --strip-components=1 \t\u0026\u0026 rm httpd.tar.bz2 \t\u0026\u0026 cd src \t\t\u0026\u0026 ./configure \t\t--prefix=\"$HTTPD_PREFIX\" \t\t--enable-mods-shared=reallyall \t\u0026\u0026 make -j\"$(nproc)\" \t\u0026\u0026 make install \t\t\u0026\u0026 cd .. \t\u0026\u0026 rm -r src \t\t\u0026\u0026 sed -ri \t\t-e 's!^(\\s*CustomLog)\\s+\\S+!\\1 /proc/self/fd/1!g' \t\t-e 's!^(\\s*ErrorLog)\\s+\\S+!\\1 /proc/self/fd/2!g' \t\t\"$HTTPD_PREFIX/conf/httpd.conf\" \t\t\u0026\u0026 apt-get purge -y --auto-remove $buildDeps"},{"created":"2016-09-23T23:20:45.127455562Z","created_by":"/bin/sh -c #(nop) COPY file:761e313354b918b6cd7ea99975a4f6b53ff5381ba689bab2984aec4dab597215 in /usr/local/bin/ "},{"created":"2016-09-23T23:20:45.453934921Z","created_by":"/bin/sh -c #(nop)  EXPOSE 80/tcp","empty_layer":true},{"created":"2016-09-23T23:20:45.78976459Z","created_by":"/bin/sh -c #(nop)  CMD [\"httpd-foreground\"]","empty_layer":true}],"os":"linux","rootfs":{"type":"layers","diff_ids":["sha256:142a601d97936307e75220c35dde0348971a9584c21e7cb42e1f7004005432ab","sha256:90fcc66ad3be9f1757f954b750deb37032f208428aa12599fcb02182b9065a9c","sha256:5a8624bb7e76d1e6829f9c64c43185e02bc07f97a2189eb048609a8914e72c56","sha256:d349ff6b3afc6a2800054768c82bfbf4289c9aa5da55c1290f802943dcd4d1e9","sha256:8c064bb1f60e84fa8cc6079b6d2e76e0423389fd6aeb7e497dfdae5e05b2b25b"]}}
\ No newline at end of file
+{"architecture":"amd64","comment":"test comment","config":{"Hostname":"383850eeb47b","Domainname":"","User":"","AttachStdin":false,"AttachStdout":false,"AttachStderr":false,"ExposedPorts":{"80/tcp":{}},"Tty":false,"OpenStdin":false,"StdinOnce":false,"Env":["PATH=/usr/local/apache2/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin","HTTPD_PREFIX=/usr/local/apache2","HTTPD_VERSION=2.4.23","HTTPD_SHA1=5101be34ac4a509b245adb70a56690a84fcc4e7f","HTTPD_BZ2_URL=https://www.apache.org/dyn/closer.cgi?action=download\u0026filename=httpd/httpd-2.4.23.tar.bz2","HTTPD_ASC_URL=https://www.apache.org/dist/httpd/httpd-2.4.23.tar.bz2.asc"],"Cmd":["httpd-foreground"],"ArgsEscaped":true,"Image":"sha256:4f83530449c67c1ed8fca72583c5b92fdf446010990028c362a381e55dd84afd","Volumes":null,"WorkingDir":"/usr/local/apache2","Entrypoint":null,"OnBuild":[],"Labels":{}},"container":"8825acde1b009729807e4b70a65a89399dd8da8e53be9216b9aaabaff4339f69","container_config":{"Hostname":"383850eeb47b","Domainname":"","User":"","AttachStdin":false,"AttachStdout":false,"AttachStderr":false,"ExposedPorts":{"80/tcp":{}},"Tty":false,"OpenStdin":false,"StdinOnce":false,"Env":["PATH=/usr/local/apache2/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin","HTTPD_PREFIX=/usr/local/apache2","HTTPD_VERSION=2.4.23","HTTPD_SHA1=5101be34ac4a509b245adb70a56690a84fcc4e7f","HTTPD_BZ2_URL=https://www.apache.org/dyn/closer.cgi?action=download\u0026filename=httpd/httpd-2.4.23.tar.bz2","HTTPD_ASC_URL=https://www.apache.org/dist/httpd/httpd-2.4.23.tar.bz2.asc"],"Cmd":["/bin/sh","-c","#(nop) ","CMD [\"httpd-foreground\"]"],"ArgsEscaped":true,"Image":"sha256:4f83530449c67c1ed8fca72583c5b92fdf446010990028c362a381e55dd84afd","Volumes":null,"WorkingDir":"/usr/local/apache2","Entrypoint":null,"OnBuild":[],"Labels":{}},"created":"2016-09-23T23:20:45.78976459Z","docker_version":"1.12.1","history":[{"created":"2016-09-23T18:08:50.537223822Z","created_by":"/bin/sh -c #(nop) ADD file:c6c23585ab140b0b320d4e99bc1b0eb544c9e96c24d90fec5e069a6d57d335ca in / "},{"created":"2016-09-23T18:08:51.133779867Z","created_by":"/bin/sh -c #(nop)  CMD [\"/bin/bash\"]","empty_layer":true},{"created":"2016-09-23T19:16:40.725768956Z","created_by":"/bin/sh -c #(nop)  ENV HTTPD_PREFIX=/usr/local/apache2","empty_layer":true},{"created":"2016-09-23T19:16:41.037788416Z","created_by":"/bin/sh -c #(nop)  ENV PATH=/usr/local/apache2/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin","empty_layer":true},{"created":"2016-09-23T19:16:41.990121202Z","created_by":"/bin/sh -c mkdir -p \"$HTTPD_PREFIX\" \t\u0026\u0026 chown www-data:www-data \"$HTTPD_PREFIX\""},{"created":"2016-09-23T19:16:42.339911155Z","created_by":"/bin/sh -c #(nop)  WORKDIR /usr/local/apache2","empty_layer":true},{"created":"2016-09-23T19:16:54.948461741Z","created_by":"/bin/sh -c apt-get update \t\u0026\u0026 apt-get install -y --no-install-recommends \t\tlibapr1 \t\tlibaprutil1 \t\tlibaprutil1-ldap \t\tlibapr1-dev \t\tlibaprutil1-dev \t\tlibpcre++0 \t\tlibssl1.0.0 \t\u0026\u0026 rm -r /var/lib/apt/lists/*"},{"created":"2016-09-23T19:16:55.321573403Z","created_by":"/bin/sh -c #(nop)  ENV HTTPD_VERSION=2.4.23","empty_layer":true},{"created":"2016-09-23T19:16:55.629947307Z","created_by":"/bin/sh -c #(nop)  ENV HTTPD_SHA1=5101be34ac4a509b245adb70a56690a84fcc4e7f","empty_layer":true},{"created":"2016-09-23T23:19:03.705796801Z","created_by":"/bin/sh -c #(nop)  ENV HTTPD_BZ2_URL=https://www.apache.org/dyn/closer.cgi?action=download\u0026filename=httpd/httpd-2.4.23.tar.bz2","empty_layer":true},{"created":"2016-09-23T23:19:04.009782822Z","created_by":"/bin/sh -c #(nop)  ENV HTTPD_ASC_URL=https://www.apache.org/dist/httpd/httpd-2.4.23.tar.bz2.asc","empty_layer":true},{"created":"2016-09-23T23:20:44.585743332Z","created_by":"/bin/sh -c set -x \t\u0026\u0026 buildDeps=' \t\tbzip2 \t\tca-certificates \t\tgcc \t\tlibpcre++-dev \t\tlibssl-dev \t\tmake \t\twget \t' \t\u0026\u0026 apt-get update \t\u0026\u0026 apt-get install -y --no-install-recommends $buildDeps \t\u0026\u0026 rm -r /var/lib/apt/lists/* \t\t\u0026\u0026 wget -O httpd.tar.bz2 \"$HTTPD_BZ2_URL\" \t\u0026\u0026 echo \"$HTTPD_SHA1 *httpd.tar.bz2\" | sha1sum -c - \t\u0026\u0026 wget -O httpd.tar.bz2.asc \"$HTTPD_ASC_URL\" \t\u0026\u0026 export GNUPGHOME=\"$(mktemp -d)\" \t\u0026\u0026 gpg --keyserver ha.pool.sks-keyservers.net --recv-keys A93D62ECC3C8EA12DB220EC934EA76E6791485A8 \t\u0026\u0026 gpg --batch --verify httpd.tar.bz2.asc httpd.tar.bz2 \t\u0026\u0026 rm -r \"$GNUPGHOME\" httpd.tar.bz2.asc \t\t\u0026\u0026 mkdir -p src \t\u0026\u0026 tar -xvf httpd.tar.bz2 -C src --strip-components=1 \t\u0026\u0026 rm httpd.tar.bz2 \t\u0026\u0026 cd src \t\t\u0026\u0026 ./configure \t\t--prefix=\"$HTTPD_PREFIX\" \t\t--enable-mods-shared=reallyall \t\u0026\u0026 make -j\"$(nproc)\" \t\u0026\u0026 make install \t\t\u0026\u0026 cd .. \t\u0026\u0026 rm -r src \t\t\u0026\u0026 sed -ri \t\t-e 's!^(\\s*CustomLog)\\s+\\S+!\\1 /proc/self/fd/1!g' \t\t-e 's!^(\\s*ErrorLog)\\s+\\S+!\\1 /proc/self/fd/2!g' \t\t\"$HTTPD_PREFIX/conf/httpd.conf\" \t\t\u0026\u0026 apt-get purge -y --auto-remove $buildDeps"},{"created":"2016-09-23T23:20:45.127455562Z","created_by":"/bin/sh -c #(nop) COPY file:761e313354b918b6cd7ea99975a4f6b53ff5381ba689bab2984aec4dab597215 in /usr/local/bin/ "},{"created":"2016-09-23T23:20:45.453934921Z","created_by":"/bin/sh -c #(nop)  EXPOSE 80/tcp","empty_layer":true},{"created":"2016-09-23T23:20:45.78976459Z","created_by":"/bin/sh -c #(nop)  CMD [\"httpd-foreground\"]","empty_layer":true}],"os":"linux","rootfs":{"type":"layers","diff_ids":["sha256:142a601d97936307e75220c35dde0348971a9584c21e7cb42e1f7004005432ab","sha256:90fcc66ad3be9f1757f954b750deb37032f208428aa12599fcb02182b9065a9c","sha256:5a8624bb7e76d1e6829f9c64c43185e02bc07f97a2189eb048609a8914e72c56","sha256:d349ff6b3afc6a2800054768c82bfbf4289c9aa5da55c1290f802943dcd4d1e9","sha256:8c064bb1f60e84fa8cc6079b6d2e76e0423389fd6aeb7e497dfdae5e05b2b25b"]}}
\ No newline at end of file
diff --git a/internal/image/fixtures/oci1-extra-config-fields.json b/internal/image/fixtures/oci1-extra-config-fields.json
index b297f4abc..4e5b5729d 100644
--- a/internal/image/fixtures/oci1-extra-config-fields.json
+++ b/internal/image/fixtures/oci1-extra-config-fields.json
@@ -4,7 +4,7 @@
    "config": {
       "mediaType": "application/vnd.oci.image.config.v1+json",
       "size": 7693,
-      "digest": "sha256:7f2a783ee2f07826b1856e68a40c930cd0430d6e7d4a88c29c2c8b7718706e74",
+      "digest": "sha256:5f871cfdbc4040041cd2baa43cdc51239cf74a0ef2e9443bcdf08e63cce17e05",
       "annotations": {
          "test-annotation-1": "one"
       }
@@ -40,4 +40,4 @@
          "digest": "sha256:960e52ecf8200cbd84e70eb2ad8678f4367e50d14357021872c10fa3fc5935fa"
       }
    ]
-}
+}
\ No newline at end of file
diff --git a/internal/image/fixtures/oci1-to-schema1.json b/internal/image/fixtures/oci1-to-schema1.json
index a85b3ff9f..4b16f298d 100644
--- a/internal/image/fixtures/oci1-to-schema1.json
+++ b/internal/image/fixtures/oci1-to-schema1.json
@@ -1 +1 @@
-{"name":"library/httpd-copy","tag":"latest","architecture":"amd64","fsLayers":[{"blobSum":"sha256:a3ed95caeb02ffe68cdd9fd84406680ae93d633cb16422d00e8a7c22955b46d4"},{"blobSum":"sha256:a3ed95caeb02ffe68cdd9fd84406680ae93d633cb16422d00e8a7c22955b46d4"},{"blobSum":"sha256:960e52ecf8200cbd84e70eb2ad8678f4367e50d14357021872c10fa3fc5935fa"},{"blobSum":"sha256:bbd6b22eb11afce63cc76f6bc41042d99f10d6024c96b655dafba930b8d25909"},{"blobSum":"sha256:a3ed95caeb02ffe68cdd9fd84406680ae93d633cb16422d00e8a7c22955b46d4"},{"blobSum":"sha256:a3ed95caeb02ffe68cdd9fd84406680ae93d633cb16422d00e8a7c22955b46d4"},{"blobSum":"sha256:a3ed95caeb02ffe68cdd9fd84406680ae93d633cb16422d00e8a7c22955b46d4"},{"blobSum":"sha256:a3ed95caeb02ffe68cdd9fd84406680ae93d633cb16422d00e8a7c22955b46d4"},{"blobSum":"sha256:8f5dc8a4b12c307ac84de90cdd9a7f3915d1be04c9388868ca118831099c67a9"},{"blobSum":"sha256:a3ed95caeb02ffe68cdd9fd84406680ae93d633cb16422d00e8a7c22955b46d4"},{"blobSum":"sha256:1bbf5d58d24c47512e234a5623474acf65ae00d4d1414272a893204f44cc680c"},{"blobSum":"sha256:a3ed95caeb02ffe68cdd9fd84406680ae93d633cb16422d00e8a7c22955b46d4"},{"blobSum":"sha256:a3ed95caeb02ffe68cdd9fd84406680ae93d633cb16422d00e8a7c22955b46d4"},{"blobSum":"sha256:a3ed95caeb02ffe68cdd9fd84406680ae93d633cb16422d00e8a7c22955b46d4"},{"blobSum":"sha256:6a5a5368e0c2d3e5909184fa28ddfd56072e7ff3ee9a945876f7eee5896ef5bb"}],"history":[{"v1Compatibility":"{\"architecture\":\"amd64\",\"config\":{\"Hostname\":\"383850eeb47b\",\"Domainname\":\"\",\"User\":\"\",\"AttachStdin\":false,\"AttachStdout\":false,\"AttachStderr\":false,\"ExposedPorts\":{\"80/tcp\":{}},\"Tty\":false,\"OpenStdin\":false,\"StdinOnce\":false,\"Env\":[\"PATH=/usr/local/apache2/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin\",\"HTTPD_PREFIX=/usr/local/apache2\",\"HTTPD_VERSION=2.4.23\",\"HTTPD_SHA1=5101be34ac4a509b245adb70a56690a84fcc4e7f\",\"HTTPD_BZ2_URL=https://www.apache.org/dyn/closer.cgi?action=download\\u0026filename=httpd/httpd-2.4.23.tar.bz2\",\"HTTPD_ASC_URL=https://www.apache.org/dist/httpd/httpd-2.4.23.tar.bz2.asc\"],\"Cmd\":[\"httpd-foreground\"],\"ArgsEscaped\":true,\"Image\":\"sha256:4f83530449c67c1ed8fca72583c5b92fdf446010990028c362a381e55dd84afd\",\"Volumes\":null,\"WorkingDir\":\"/usr/local/apache2\",\"Entrypoint\":null,\"OnBuild\":[],\"Labels\":{}},\"container\":\"8825acde1b009729807e4b70a65a89399dd8da8e53be9216b9aaabaff4339f69\",\"container_config\":{\"Hostname\":\"383850eeb47b\",\"Domainname\":\"\",\"User\":\"\",\"AttachStdin\":false,\"AttachStdout\":false,\"AttachStderr\":false,\"ExposedPorts\":{\"80/tcp\":{}},\"Tty\":false,\"OpenStdin\":false,\"StdinOnce\":false,\"Env\":[\"PATH=/usr/local/apache2/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin\",\"HTTPD_PREFIX=/usr/local/apache2\",\"HTTPD_VERSION=2.4.23\",\"HTTPD_SHA1=5101be34ac4a509b245adb70a56690a84fcc4e7f\",\"HTTPD_BZ2_URL=https://www.apache.org/dyn/closer.cgi?action=download\\u0026filename=httpd/httpd-2.4.23.tar.bz2\",\"HTTPD_ASC_URL=https://www.apache.org/dist/httpd/httpd-2.4.23.tar.bz2.asc\"],\"Cmd\":[\"/bin/sh\",\"-c\",\"#(nop) \",\"CMD [\\\"httpd-foreground\\\"]\"],\"ArgsEscaped\":true,\"Image\":\"sha256:4f83530449c67c1ed8fca72583c5b92fdf446010990028c362a381e55dd84afd\",\"Volumes\":null,\"WorkingDir\":\"/usr/local/apache2\",\"Entrypoint\":null,\"OnBuild\":[],\"Labels\":{}},\"created\":\"2016-09-23T23:20:45.78976459Z\",\"docker_version\":\"1.12.1\",\"id\":\"dca7323f9c839837493199d63263083d94f5eb1796d7bd04ca8374c4e9d3749a\",\"os\":\"linux\",\"parent\":\"1b750729af47c9a802c8d14b0d327d3ad5ecdce5ae773ac728a0263315b914f4\",\"throwaway\":true}"},{"v1Compatibility":"{\"id\":\"1b750729af47c9a802c8d14b0d327d3ad5ecdce5ae773ac728a0263315b914f4\",\"parent\":\"3ef2f186f8b0a2fd2d95f5a1f1cd213f5fb0a6e51b0a8dfbe2ec7003a788ff9a\",\"created\":\"2016-09-23T23:20:45.453934921Z\",\"container_config\":{\"Cmd\":[\"/bin/sh -c #(nop)  EXPOSE 80/tcp\"]},\"throwaway\":true}"},{"v1Compatibility":"{\"id\":\"3ef2f186f8b0a2fd2d95f5a1f1cd213f5fb0a6e51b0a8dfbe2ec7003a788ff9a\",\"parent\":\"dbbb5c772ba968f675ebdb1968a2fbcf3cf53c0c85ff4e3329619e3735c811e6\",\"created\":\"2016-09-23T23:20:45.127455562Z\",\"container_config\":{\"Cmd\":[\"/bin/sh -c #(nop) COPY file:761e313354b918b6cd7ea99975a4f6b53ff5381ba689bab2984aec4dab597215 in /usr/local/bin/ \"]}}"},{"v1Compatibility":"{\"id\":\"dbbb5c772ba968f675ebdb1968a2fbcf3cf53c0c85ff4e3329619e3735c811e6\",\"parent\":\"d264ded964bb52f78c8905c9e6c5f2b8526ef33f371981f0651f3fb0164ad4a7\",\"created\":\"2016-09-23T23:20:44.585743332Z\",\"container_config\":{\"Cmd\":[\"/bin/sh -c set -x \\t\\u0026\\u0026 buildDeps=' \\t\\tbzip2 \\t\\tca-certificates \\t\\tgcc \\t\\tlibpcre++-dev \\t\\tlibssl-dev \\t\\tmake \\t\\twget \\t' \\t\\u0026\\u0026 apt-get update \\t\\u0026\\u0026 apt-get install -y --no-install-recommends $buildDeps \\t\\u0026\\u0026 rm -r /var/lib/apt/lists/* \\t\\t\\u0026\\u0026 wget -O httpd.tar.bz2 \\\"$HTTPD_BZ2_URL\\\" \\t\\u0026\\u0026 echo \\\"$HTTPD_SHA1 *httpd.tar.bz2\\\" | sha1sum -c - \\t\\u0026\\u0026 wget -O httpd.tar.bz2.asc \\\"$HTTPD_ASC_URL\\\" \\t\\u0026\\u0026 export GNUPGHOME=\\\"$(mktemp -d)\\\" \\t\\u0026\\u0026 gpg --keyserver ha.pool.sks-keyservers.net --recv-keys A93D62ECC3C8EA12DB220EC934EA76E6791485A8 \\t\\u0026\\u0026 gpg --batch --verify httpd.tar.bz2.asc httpd.tar.bz2 \\t\\u0026\\u0026 rm -r \\\"$GNUPGHOME\\\" httpd.tar.bz2.asc \\t\\t\\u0026\\u0026 mkdir -p src \\t\\u0026\\u0026 tar -xvf httpd.tar.bz2 -C src --strip-components=1 \\t\\u0026\\u0026 rm httpd.tar.bz2 \\t\\u0026\\u0026 cd src \\t\\t\\u0026\\u0026 ./configure \\t\\t--prefix=\\\"$HTTPD_PREFIX\\\" \\t\\t--enable-mods-shared=reallyall \\t\\u0026\\u0026 make -j\\\"$(nproc)\\\" \\t\\u0026\\u0026 make install \\t\\t\\u0026\\u0026 cd .. \\t\\u0026\\u0026 rm -r src \\t\\t\\u0026\\u0026 sed -ri \\t\\t-e 's!^(\\\\s*CustomLog)\\\\s+\\\\S+!\\\\1 /proc/self/fd/1!g' \\t\\t-e 's!^(\\\\s*ErrorLog)\\\\s+\\\\S+!\\\\1 /proc/self/fd/2!g' \\t\\t\\\"$HTTPD_PREFIX/conf/httpd.conf\\\" \\t\\t\\u0026\\u0026 apt-get purge -y --auto-remove $buildDeps\"]}}"},{"v1Compatibility":"{\"id\":\"d264ded964bb52f78c8905c9e6c5f2b8526ef33f371981f0651f3fb0164ad4a7\",\"parent\":\"fd6f8d569a8a6d2a95f797494ab3cee7a47693dde647210b236a141f76b5c5fd\",\"created\":\"2016-09-23T23:19:04.009782822Z\",\"container_config\":{\"Cmd\":[\"/bin/sh -c #(nop)  ENV HTTPD_ASC_URL=https://www.apache.org/dist/httpd/httpd-2.4.23.tar.bz2.asc\"]},\"throwaway\":true}"},{"v1Compatibility":"{\"id\":\"fd6f8d569a8a6d2a95f797494ab3cee7a47693dde647210b236a141f76b5c5fd\",\"parent\":\"5e2578d171daa47c0eeb55e592b4e3bd28a0946a75baed58e4d4dd315c5d5780\",\"created\":\"2016-09-23T23:19:03.705796801Z\",\"container_config\":{\"Cmd\":[\"/bin/sh -c #(nop)  ENV HTTPD_BZ2_URL=https://www.apache.org/dyn/closer.cgi?action=download\\u0026filename=httpd/httpd-2.4.23.tar.bz2\"]},\"throwaway\":true}"},{"v1Compatibility":"{\"id\":\"5e2578d171daa47c0eeb55e592b4e3bd28a0946a75baed58e4d4dd315c5d5780\",\"parent\":\"1912159ee5bea8d7fde49b85012f90c47bceb3f09e4082b112b1f06a3f339c53\",\"created\":\"2016-09-23T19:16:55.629947307Z\",\"container_config\":{\"Cmd\":[\"/bin/sh -c #(nop)  ENV HTTPD_SHA1=5101be34ac4a509b245adb70a56690a84fcc4e7f\"]},\"throwaway\":true}"},{"v1Compatibility":"{\"id\":\"1912159ee5bea8d7fde49b85012f90c47bceb3f09e4082b112b1f06a3f339c53\",\"parent\":\"3bfb089ca9d4bb73a9016e44a2c6f908b701f97704433305c419f75e8559d8a2\",\"created\":\"2016-09-23T19:16:55.321573403Z\",\"container_config\":{\"Cmd\":[\"/bin/sh -c #(nop)  ENV HTTPD_VERSION=2.4.23\"]},\"throwaway\":true}"},{"v1Compatibility":"{\"id\":\"3bfb089ca9d4bb73a9016e44a2c6f908b701f97704433305c419f75e8559d8a2\",\"parent\":\"ae1ece73de4d0365c8b8ab45ba0bf6b1efa4213c16a4903b89341b704d101c3c\",\"created\":\"2016-09-23T19:16:54.948461741Z\",\"container_config\":{\"Cmd\":[\"/bin/sh -c apt-get update \\t\\u0026\\u0026 apt-get install -y --no-install-recommends \\t\\tlibapr1 \\t\\tlibaprutil1 \\t\\tlibaprutil1-ldap \\t\\tlibapr1-dev \\t\\tlibaprutil1-dev \\t\\tlibpcre++0 \\t\\tlibssl1.0.0 \\t\\u0026\\u0026 rm -r /var/lib/apt/lists/*\"]}}"},{"v1Compatibility":"{\"id\":\"ae1ece73de4d0365c8b8ab45ba0bf6b1efa4213c16a4903b89341b704d101c3c\",\"parent\":\"bffbcb416f40e0bd3ebae202403587bfd41829cd1e0d538b66f29adce40c6408\",\"created\":\"2016-09-23T19:16:42.339911155Z\",\"container_config\":{\"Cmd\":[\"/bin/sh -c #(nop)  WORKDIR /usr/local/apache2\"]},\"throwaway\":true}"},{"v1Compatibility":"{\"id\":\"bffbcb416f40e0bd3ebae202403587bfd41829cd1e0d538b66f29adce40c6408\",\"parent\":\"7b27731a3363efcb6b0520962d544471745aae15664920dffe690b4fdb410d80\",\"created\":\"2016-09-23T19:16:41.990121202Z\",\"container_config\":{\"Cmd\":[\"/bin/sh -c mkdir -p \\\"$HTTPD_PREFIX\\\" \\t\\u0026\\u0026 chown www-data:www-data \\\"$HTTPD_PREFIX\\\"\"]}}"},{"v1Compatibility":"{\"id\":\"7b27731a3363efcb6b0520962d544471745aae15664920dffe690b4fdb410d80\",\"parent\":\"57a0a421f1acbc1fe6b88b32d3d1c3c0388ff1958b97f95dd0e3a599b810499b\",\"created\":\"2016-09-23T19:16:41.037788416Z\",\"container_config\":{\"Cmd\":[\"/bin/sh -c #(nop)  ENV PATH=/usr/local/apache2/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin\"]},\"throwaway\":true}"},{"v1Compatibility":"{\"id\":\"57a0a421f1acbc1fe6b88b32d3d1c3c0388ff1958b97f95dd0e3a599b810499b\",\"parent\":\"faeaf6fdfdcbb18d68c12db9683a02428bab83962a493de88b4c7b1ec941db8f\",\"created\":\"2016-09-23T19:16:40.725768956Z\",\"container_config\":{\"Cmd\":[\"/bin/sh -c #(nop)  ENV HTTPD_PREFIX=/usr/local/apache2\"]},\"throwaway\":true}"},{"v1Compatibility":"{\"id\":\"faeaf6fdfdcbb18d68c12db9683a02428bab83962a493de88b4c7b1ec941db8f\",\"parent\":\"d0c4f1eb7dc8f4dae2b45fe5c0cf4cfc70e5be85d933f5f5f4deb59f134fb520\",\"created\":\"2016-09-23T18:08:51.133779867Z\",\"container_config\":{\"Cmd\":[\"/bin/sh -c #(nop)  CMD [\\\"/bin/bash\\\"]\"]},\"throwaway\":true}"},{"v1Compatibility":"{\"id\":\"d0c4f1eb7dc8f4dae2b45fe5c0cf4cfc70e5be85d933f5f5f4deb59f134fb520\",\"created\":\"2016-09-23T18:08:50.537223822Z\",\"container_config\":{\"Cmd\":[\"/bin/sh -c #(nop) ADD file:c6c23585ab140b0b320d4e99bc1b0eb544c9e96c24d90fec5e069a6d57d335ca in / \"]}}"}],"schemaVersion":1,"signatures":[{"header":{"jwk":{"crv":"P-256","kid":"Q3ZE:RPLV:YRWL:CJGY:3YUV:CVRB:KOZN:DPRO:QZKD:B7KB:4FJ5:XUDM","kty":"EC","x":"iIJKPTtzobd73WmVmIoRSGkHWQB86bL5BBw9-YWcVjA","y":"3fiBd8u2fXRc5DZG20gQWQ8LUvTuPRqkU0e672ymn-8"},"alg":"ES256"},"signature":"I1uNEFT2P64rwc7dajzBOCD9o4DB4W7xbWQRxOgWm43Py1_N3omkvqUStMeUQsQVjNqje6NQyVzQzOACDHsPYg","protected":"eyJmb3JtYXRMZW5ndGgiOjEwMTEyLCJmb3JtYXRUYWlsIjoiZlEiLCJ0aW1lIjoiMjAyMC0wMy0yNVQyMzo0NzowOVoifQ"}]}
+{"name":"library/httpd-copy","tag":"latest","architecture":"amd64","fsLayers":[{"blobSum":"sha256:a3ed95caeb02ffe68cdd9fd84406680ae93d633cb16422d00e8a7c22955b46d4"},{"blobSum":"sha256:a3ed95caeb02ffe68cdd9fd84406680ae93d633cb16422d00e8a7c22955b46d4"},{"blobSum":"sha256:960e52ecf8200cbd84e70eb2ad8678f4367e50d14357021872c10fa3fc5935fa"},{"blobSum":"sha256:bbd6b22eb11afce63cc76f6bc41042d99f10d6024c96b655dafba930b8d25909"},{"blobSum":"sha256:a3ed95caeb02ffe68cdd9fd84406680ae93d633cb16422d00e8a7c22955b46d4"},{"blobSum":"sha256:a3ed95caeb02ffe68cdd9fd84406680ae93d633cb16422d00e8a7c22955b46d4"},{"blobSum":"sha256:a3ed95caeb02ffe68cdd9fd84406680ae93d633cb16422d00e8a7c22955b46d4"},{"blobSum":"sha256:a3ed95caeb02ffe68cdd9fd84406680ae93d633cb16422d00e8a7c22955b46d4"},{"blobSum":"sha256:8f5dc8a4b12c307ac84de90cdd9a7f3915d1be04c9388868ca118831099c67a9"},{"blobSum":"sha256:a3ed95caeb02ffe68cdd9fd84406680ae93d633cb16422d00e8a7c22955b46d4"},{"blobSum":"sha256:1bbf5d58d24c47512e234a5623474acf65ae00d4d1414272a893204f44cc680c"},{"blobSum":"sha256:a3ed95caeb02ffe68cdd9fd84406680ae93d633cb16422d00e8a7c22955b46d4"},{"blobSum":"sha256:a3ed95caeb02ffe68cdd9fd84406680ae93d633cb16422d00e8a7c22955b46d4"},{"blobSum":"sha256:a3ed95caeb02ffe68cdd9fd84406680ae93d633cb16422d00e8a7c22955b46d4"},{"blobSum":"sha256:6a5a5368e0c2d3e5909184fa28ddfd56072e7ff3ee9a945876f7eee5896ef5bb"}],"history":[{"v1Compatibility":"{\"architecture\":\"amd64\",\"comment\":\"test comment\",\"config\":{\"Hostname\":\"383850eeb47b\",\"Domainname\":\"\",\"User\":\"\",\"AttachStdin\":false,\"AttachStdout\":false,\"AttachStderr\":false,\"ExposedPorts\":{\"80/tcp\":{}},\"Tty\":false,\"OpenStdin\":false,\"StdinOnce\":false,\"Env\":[\"PATH=/usr/local/apache2/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin\",\"HTTPD_PREFIX=/usr/local/apache2\",\"HTTPD_VERSION=2.4.23\",\"HTTPD_SHA1=5101be34ac4a509b245adb70a56690a84fcc4e7f\",\"HTTPD_BZ2_URL=https://www.apache.org/dyn/closer.cgi?action=download\\u0026filename=httpd/httpd-2.4.23.tar.bz2\",\"HTTPD_ASC_URL=https://www.apache.org/dist/httpd/httpd-2.4.23.tar.bz2.asc\"],\"Cmd\":[\"httpd-foreground\"],\"ArgsEscaped\":true,\"Image\":\"sha256:4f83530449c67c1ed8fca72583c5b92fdf446010990028c362a381e55dd84afd\",\"Volumes\":null,\"WorkingDir\":\"/usr/local/apache2\",\"Entrypoint\":null,\"OnBuild\":[],\"Labels\":{}},\"container\":\"8825acde1b009729807e4b70a65a89399dd8da8e53be9216b9aaabaff4339f69\",\"container_config\":{\"Hostname\":\"383850eeb47b\",\"Domainname\":\"\",\"User\":\"\",\"AttachStdin\":false,\"AttachStdout\":false,\"AttachStderr\":false,\"ExposedPorts\":{\"80/tcp\":{}},\"Tty\":false,\"OpenStdin\":false,\"StdinOnce\":false,\"Env\":[\"PATH=/usr/local/apache2/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin\",\"HTTPD_PREFIX=/usr/local/apache2\",\"HTTPD_VERSION=2.4.23\",\"HTTPD_SHA1=5101be34ac4a509b245adb70a56690a84fcc4e7f\",\"HTTPD_BZ2_URL=https://www.apache.org/dyn/closer.cgi?action=download\\u0026filename=httpd/httpd-2.4.23.tar.bz2\",\"HTTPD_ASC_URL=https://www.apache.org/dist/httpd/httpd-2.4.23.tar.bz2.asc\"],\"Cmd\":[\"/bin/sh\",\"-c\",\"#(nop) \",\"CMD [\\\"httpd-foreground\\\"]\"],\"ArgsEscaped\":true,\"Image\":\"sha256:4f83530449c67c1ed8fca72583c5b92fdf446010990028c362a381e55dd84afd\",\"Volumes\":null,\"WorkingDir\":\"/usr/local/apache2\",\"Entrypoint\":null,\"OnBuild\":[],\"Labels\":{}},\"created\":\"2016-09-23T23:20:45.78976459Z\",\"docker_version\":\"1.12.1\",\"id\":\"5c92be31123b1c46e77959484f6ca93cf362f2d0cb46fa9ffd0e3f6434a020db\",\"os\":\"linux\",\"parent\":\"1b750729af47c9a802c8d14b0d327d3ad5ecdce5ae773ac728a0263315b914f4\",\"throwaway\":true}"},{"v1Compatibility":"{\"id\":\"1b750729af47c9a802c8d14b0d327d3ad5ecdce5ae773ac728a0263315b914f4\",\"parent\":\"3ef2f186f8b0a2fd2d95f5a1f1cd213f5fb0a6e51b0a8dfbe2ec7003a788ff9a\",\"created\":\"2016-09-23T23:20:45.453934921Z\",\"container_config\":{\"Cmd\":[\"/bin/sh -c #(nop)  EXPOSE 80/tcp\"]},\"throwaway\":true}"},{"v1Compatibility":"{\"id\":\"3ef2f186f8b0a2fd2d95f5a1f1cd213f5fb0a6e51b0a8dfbe2ec7003a788ff9a\",\"parent\":\"dbbb5c772ba968f675ebdb1968a2fbcf3cf53c0c85ff4e3329619e3735c811e6\",\"created\":\"2016-09-23T23:20:45.127455562Z\",\"container_config\":{\"Cmd\":[\"/bin/sh -c #(nop) COPY file:761e313354b918b6cd7ea99975a4f6b53ff5381ba689bab2984aec4dab597215 in /usr/local/bin/ \"]}}"},{"v1Compatibility":"{\"id\":\"dbbb5c772ba968f675ebdb1968a2fbcf3cf53c0c85ff4e3329619e3735c811e6\",\"parent\":\"d264ded964bb52f78c8905c9e6c5f2b8526ef33f371981f0651f3fb0164ad4a7\",\"created\":\"2016-09-23T23:20:44.585743332Z\",\"container_config\":{\"Cmd\":[\"/bin/sh -c set -x \\t\\u0026\\u0026 buildDeps=' \\t\\tbzip2 \\t\\tca-certificates \\t\\tgcc \\t\\tlibpcre++-dev \\t\\tlibssl-dev \\t\\tmake \\t\\twget \\t' \\t\\u0026\\u0026 apt-get update \\t\\u0026\\u0026 apt-get install -y --no-install-recommends $buildDeps \\t\\u0026\\u0026 rm -r /var/lib/apt/lists/* \\t\\t\\u0026\\u0026 wget -O httpd.tar.bz2 \\\"$HTTPD_BZ2_URL\\\" \\t\\u0026\\u0026 echo \\\"$HTTPD_SHA1 *httpd.tar.bz2\\\" | sha1sum -c - \\t\\u0026\\u0026 wget -O httpd.tar.bz2.asc \\\"$HTTPD_ASC_URL\\\" \\t\\u0026\\u0026 export GNUPGHOME=\\\"$(mktemp -d)\\\" \\t\\u0026\\u0026 gpg --keyserver ha.pool.sks-keyservers.net --recv-keys A93D62ECC3C8EA12DB220EC934EA76E6791485A8 \\t\\u0026\\u0026 gpg --batch --verify httpd.tar.bz2.asc httpd.tar.bz2 \\t\\u0026\\u0026 rm -r \\\"$GNUPGHOME\\\" httpd.tar.bz2.asc \\t\\t\\u0026\\u0026 mkdir -p src \\t\\u0026\\u0026 tar -xvf httpd.tar.bz2 -C src --strip-components=1 \\t\\u0026\\u0026 rm httpd.tar.bz2 \\t\\u0026\\u0026 cd src \\t\\t\\u0026\\u0026 ./configure \\t\\t--prefix=\\\"$HTTPD_PREFIX\\\" \\t\\t--enable-mods-shared=reallyall \\t\\u0026\\u0026 make -j\\\"$(nproc)\\\" \\t\\u0026\\u0026 make install \\t\\t\\u0026\\u0026 cd .. \\t\\u0026\\u0026 rm -r src \\t\\t\\u0026\\u0026 sed -ri \\t\\t-e 's!^(\\\\s*CustomLog)\\\\s+\\\\S+!\\\\1 /proc/self/fd/1!g' \\t\\t-e 's!^(\\\\s*ErrorLog)\\\\s+\\\\S+!\\\\1 /proc/self/fd/2!g' \\t\\t\\\"$HTTPD_PREFIX/conf/httpd.conf\\\" \\t\\t\\u0026\\u0026 apt-get purge -y --auto-remove $buildDeps\"]}}"},{"v1Compatibility":"{\"id\":\"d264ded964bb52f78c8905c9e6c5f2b8526ef33f371981f0651f3fb0164ad4a7\",\"parent\":\"fd6f8d569a8a6d2a95f797494ab3cee7a47693dde647210b236a141f76b5c5fd\",\"created\":\"2016-09-23T23:19:04.009782822Z\",\"container_config\":{\"Cmd\":[\"/bin/sh -c #(nop)  ENV HTTPD_ASC_URL=https://www.apache.org/dist/httpd/httpd-2.4.23.tar.bz2.asc\"]},\"throwaway\":true}"},{"v1Compatibility":"{\"id\":\"fd6f8d569a8a6d2a95f797494ab3cee7a47693dde647210b236a141f76b5c5fd\",\"parent\":\"5e2578d171daa47c0eeb55e592b4e3bd28a0946a75baed58e4d4dd315c5d5780\",\"created\":\"2016-09-23T23:19:03.705796801Z\",\"container_config\":{\"Cmd\":[\"/bin/sh -c #(nop)  ENV HTTPD_BZ2_URL=https://www.apache.org/dyn/closer.cgi?action=download\\u0026filename=httpd/httpd-2.4.23.tar.bz2\"]},\"throwaway\":true}"},{"v1Compatibility":"{\"id\":\"5e2578d171daa47c0eeb55e592b4e3bd28a0946a75baed58e4d4dd315c5d5780\",\"parent\":\"1912159ee5bea8d7fde49b85012f90c47bceb3f09e4082b112b1f06a3f339c53\",\"created\":\"2016-09-23T19:16:55.629947307Z\",\"container_config\":{\"Cmd\":[\"/bin/sh -c #(nop)  ENV HTTPD_SHA1=5101be34ac4a509b245adb70a56690a84fcc4e7f\"]},\"throwaway\":true}"},{"v1Compatibility":"{\"id\":\"1912159ee5bea8d7fde49b85012f90c47bceb3f09e4082b112b1f06a3f339c53\",\"parent\":\"3bfb089ca9d4bb73a9016e44a2c6f908b701f97704433305c419f75e8559d8a2\",\"created\":\"2016-09-23T19:16:55.321573403Z\",\"container_config\":{\"Cmd\":[\"/bin/sh -c #(nop)  ENV HTTPD_VERSION=2.4.23\"]},\"throwaway\":true}"},{"v1Compatibility":"{\"id\":\"3bfb089ca9d4bb73a9016e44a2c6f908b701f97704433305c419f75e8559d8a2\",\"parent\":\"ae1ece73de4d0365c8b8ab45ba0bf6b1efa4213c16a4903b89341b704d101c3c\",\"created\":\"2016-09-23T19:16:54.948461741Z\",\"container_config\":{\"Cmd\":[\"/bin/sh -c apt-get update \\t\\u0026\\u0026 apt-get install -y --no-install-recommends \\t\\tlibapr1 \\t\\tlibaprutil1 \\t\\tlibaprutil1-ldap \\t\\tlibapr1-dev \\t\\tlibaprutil1-dev \\t\\tlibpcre++0 \\t\\tlibssl1.0.0 \\t\\u0026\\u0026 rm -r /var/lib/apt/lists/*\"]}}"},{"v1Compatibility":"{\"id\":\"ae1ece73de4d0365c8b8ab45ba0bf6b1efa4213c16a4903b89341b704d101c3c\",\"parent\":\"bffbcb416f40e0bd3ebae202403587bfd41829cd1e0d538b66f29adce40c6408\",\"created\":\"2016-09-23T19:16:42.339911155Z\",\"container_config\":{\"Cmd\":[\"/bin/sh -c #(nop)  WORKDIR /usr/local/apache2\"]},\"throwaway\":true}"},{"v1Compatibility":"{\"id\":\"bffbcb416f40e0bd3ebae202403587bfd41829cd1e0d538b66f29adce40c6408\",\"parent\":\"7b27731a3363efcb6b0520962d544471745aae15664920dffe690b4fdb410d80\",\"created\":\"2016-09-23T19:16:41.990121202Z\",\"container_config\":{\"Cmd\":[\"/bin/sh -c mkdir -p \\\"$HTTPD_PREFIX\\\" \\t\\u0026\\u0026 chown www-data:www-data \\\"$HTTPD_PREFIX\\\"\"]}}"},{"v1Compatibility":"{\"id\":\"7b27731a3363efcb6b0520962d544471745aae15664920dffe690b4fdb410d80\",\"parent\":\"57a0a421f1acbc1fe6b88b32d3d1c3c0388ff1958b97f95dd0e3a599b810499b\",\"created\":\"2016-09-23T19:16:41.037788416Z\",\"container_config\":{\"Cmd\":[\"/bin/sh -c #(nop)  ENV PATH=/usr/local/apache2/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin\"]},\"throwaway\":true}"},{"v1Compatibility":"{\"id\":\"57a0a421f1acbc1fe6b88b32d3d1c3c0388ff1958b97f95dd0e3a599b810499b\",\"parent\":\"faeaf6fdfdcbb18d68c12db9683a02428bab83962a493de88b4c7b1ec941db8f\",\"created\":\"2016-09-23T19:16:40.725768956Z\",\"container_config\":{\"Cmd\":[\"/bin/sh -c #(nop)  ENV HTTPD_PREFIX=/usr/local/apache2\"]},\"throwaway\":true}"},{"v1Compatibility":"{\"id\":\"faeaf6fdfdcbb18d68c12db9683a02428bab83962a493de88b4c7b1ec941db8f\",\"parent\":\"d0c4f1eb7dc8f4dae2b45fe5c0cf4cfc70e5be85d933f5f5f4deb59f134fb520\",\"created\":\"2016-09-23T18:08:51.133779867Z\",\"container_config\":{\"Cmd\":[\"/bin/sh -c #(nop)  CMD [\\\"/bin/bash\\\"]\"]},\"throwaway\":true}"},{"v1Compatibility":"{\"id\":\"d0c4f1eb7dc8f4dae2b45fe5c0cf4cfc70e5be85d933f5f5f4deb59f134fb520\",\"created\":\"2016-09-23T18:08:50.537223822Z\",\"container_config\":{\"Cmd\":[\"/bin/sh -c #(nop) ADD file:c6c23585ab140b0b320d4e99bc1b0eb544c9e96c24d90fec5e069a6d57d335ca in / \"]}}"}],"schemaVersion":1,"signatures":[{"header":{"jwk":{"crv":"P-256","kid":"Q3ZE:RPLV:YRWL:CJGY:3YUV:CVRB:KOZN:DPRO:QZKD:B7KB:4FJ5:XUDM","kty":"EC","x":"iIJKPTtzobd73WmVmIoRSGkHWQB86bL5BBw9-YWcVjA","y":"3fiBd8u2fXRc5DZG20gQWQ8LUvTuPRqkU0e672ymn-8"},"alg":"ES256"},"signature":"I1uNEFT2P64rwc7dajzBOCD9o4DB4W7xbWQRxOgWm43Py1_N3omkvqUStMeUQsQVjNqje6NQyVzQzOACDHsPYg","protected":"eyJmb3JtYXRMZW5ndGgiOjEwMTEyLCJmb3JtYXRUYWlsIjoiZlEiLCJ0aW1lIjoiMjAyMC0wMy0yNVQyMzo0NzowOVoifQ"}]}
\ No newline at end of file
diff --git a/internal/image/fixtures/oci1-to-schema2-config.json b/internal/image/fixtures/oci1-to-schema2-config.json
index f49230ea7..22578c785 100644
--- a/internal/image/fixtures/oci1-to-schema2-config.json
+++ b/internal/image/fixtures/oci1-to-schema2-config.json
@@ -1 +1 @@
-{"architecture":"amd64","config":{"Hostname":"383850eeb47b","Domainname":"","User":"","AttachStdin":false,"AttachStdout":false,"AttachStderr":false,"ExposedPorts":{"80/tcp":{}},"Tty":false,"OpenStdin":false,"StdinOnce":false,"Env":["PATH=/usr/local/apache2/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin","HTTPD_PREFIX=/usr/local/apache2","HTTPD_VERSION=2.4.23","HTTPD_SHA1=5101be34ac4a509b245adb70a56690a84fcc4e7f","HTTPD_BZ2_URL=https://www.apache.org/dyn/closer.cgi?action=download\u0026filename=httpd/httpd-2.4.23.tar.bz2","HTTPD_ASC_URL=https://www.apache.org/dist/httpd/httpd-2.4.23.tar.bz2.asc"],"Cmd":["httpd-foreground"],"ArgsEscaped":true,"Image":"sha256:4f83530449c67c1ed8fca72583c5b92fdf446010990028c362a381e55dd84afd","Volumes":null,"WorkingDir":"/usr/local/apache2","Entrypoint":null,"OnBuild":[],"Labels":{}},"container":"8825acde1b009729807e4b70a65a89399dd8da8e53be9216b9aaabaff4339f69","container_config":{"Hostname":"383850eeb47b","Domainname":"","User":"","AttachStdin":false,"AttachStdout":false,"AttachStderr":false,"ExposedPorts":{"80/tcp":{}},"Tty":false,"OpenStdin":false,"StdinOnce":false,"Env":["PATH=/usr/local/apache2/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin","HTTPD_PREFIX=/usr/local/apache2","HTTPD_VERSION=2.4.23","HTTPD_SHA1=5101be34ac4a509b245adb70a56690a84fcc4e7f","HTTPD_BZ2_URL=https://www.apache.org/dyn/closer.cgi?action=download\u0026filename=httpd/httpd-2.4.23.tar.bz2","HTTPD_ASC_URL=https://www.apache.org/dist/httpd/httpd-2.4.23.tar.bz2.asc"],"Cmd":["/bin/sh","-c","#(nop) ","CMD [\"httpd-foreground\"]"],"ArgsEscaped":true,"Image":"sha256:4f83530449c67c1ed8fca72583c5b92fdf446010990028c362a381e55dd84afd","Volumes":null,"WorkingDir":"/usr/local/apache2","Entrypoint":null,"OnBuild":[],"Labels":{}},"created":"2016-09-23T23:20:45.78976459Z","docker_version":"1.12.1","history":[{"created":"2016-09-23T18:08:50.537223822Z","created_by":"/bin/sh -c #(nop) ADD file:c6c23585ab140b0b320d4e99bc1b0eb544c9e96c24d90fec5e069a6d57d335ca in / "},{"created":"2016-09-23T18:08:51.133779867Z","created_by":"/bin/sh -c #(nop)  CMD [\"/bin/bash\"]","empty_layer":true},{"created":"2016-09-23T19:16:40.725768956Z","created_by":"/bin/sh -c #(nop)  ENV HTTPD_PREFIX=/usr/local/apache2","empty_layer":true},{"created":"2016-09-23T19:16:41.037788416Z","created_by":"/bin/sh -c #(nop)  ENV PATH=/usr/local/apache2/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin","empty_layer":true},{"created":"2016-09-23T19:16:41.990121202Z","created_by":"/bin/sh -c mkdir -p \"$HTTPD_PREFIX\" \t\u0026\u0026 chown www-data:www-data \"$HTTPD_PREFIX\""},{"created":"2016-09-23T19:16:42.339911155Z","created_by":"/bin/sh -c #(nop)  WORKDIR /usr/local/apache2","empty_layer":true},{"created":"2016-09-23T19:16:54.948461741Z","created_by":"/bin/sh -c apt-get update \t\u0026\u0026 apt-get install -y --no-install-recommends \t\tlibapr1 \t\tlibaprutil1 \t\tlibaprutil1-ldap \t\tlibapr1-dev \t\tlibaprutil1-dev \t\tlibpcre++0 \t\tlibssl1.0.0 \t\u0026\u0026 rm -r /var/lib/apt/lists/*"},{"created":"2016-09-23T19:16:55.321573403Z","created_by":"/bin/sh -c #(nop)  ENV HTTPD_VERSION=2.4.23","empty_layer":true},{"created":"2016-09-23T19:16:55.629947307Z","created_by":"/bin/sh -c #(nop)  ENV HTTPD_SHA1=5101be34ac4a509b245adb70a56690a84fcc4e7f","empty_layer":true},{"created":"2016-09-23T23:19:03.705796801Z","created_by":"/bin/sh -c #(nop)  ENV HTTPD_BZ2_URL=https://www.apache.org/dyn/closer.cgi?action=download\u0026filename=httpd/httpd-2.4.23.tar.bz2","empty_layer":true},{"created":"2016-09-23T23:19:04.009782822Z","created_by":"/bin/sh -c #(nop)  ENV HTTPD_ASC_URL=https://www.apache.org/dist/httpd/httpd-2.4.23.tar.bz2.asc","empty_layer":true},{"created":"2016-09-23T23:20:44.585743332Z","created_by":"/bin/sh -c set -x \t\u0026\u0026 buildDeps=' \t\tbzip2 \t\tca-certificates \t\tgcc \t\tlibpcre++-dev \t\tlibssl-dev \t\tmake \t\twget \t' \t\u0026\u0026 apt-get update \t\u0026\u0026 apt-get install -y --no-install-recommends $buildDeps \t\u0026\u0026 rm -r /var/lib/apt/lists/* \t\t\u0026\u0026 wget -O httpd.tar.bz2 \"$HTTPD_BZ2_URL\" \t\u0026\u0026 echo \"$HTTPD_SHA1 *httpd.tar.bz2\" | sha1sum -c - \t\u0026\u0026 wget -O httpd.tar.bz2.asc \"$HTTPD_ASC_URL\" \t\u0026\u0026 export GNUPGHOME=\"$(mktemp -d)\" \t\u0026\u0026 gpg --keyserver ha.pool.sks-keyservers.net --recv-keys A93D62ECC3C8EA12DB220EC934EA76E6791485A8 \t\u0026\u0026 gpg --batch --verify httpd.tar.bz2.asc httpd.tar.bz2 \t\u0026\u0026 rm -r \"$GNUPGHOME\" httpd.tar.bz2.asc \t\t\u0026\u0026 mkdir -p src \t\u0026\u0026 tar -xvf httpd.tar.bz2 -C src --strip-components=1 \t\u0026\u0026 rm httpd.tar.bz2 \t\u0026\u0026 cd src \t\t\u0026\u0026 ./configure \t\t--prefix=\"$HTTPD_PREFIX\" \t\t--enable-mods-shared=reallyall \t\u0026\u0026 make -j\"$(nproc)\" \t\u0026\u0026 make install \t\t\u0026\u0026 cd .. \t\u0026\u0026 rm -r src \t\t\u0026\u0026 sed -ri \t\t-e 's!^(\\s*CustomLog)\\s+\\S+!\\1 /proc/self/fd/1!g' \t\t-e 's!^(\\s*ErrorLog)\\s+\\S+!\\1 /proc/self/fd/2!g' \t\t\"$HTTPD_PREFIX/conf/httpd.conf\" \t\t\u0026\u0026 apt-get purge -y --auto-remove $buildDeps"},{"created":"2016-09-23T23:20:45.127455562Z","created_by":"/bin/sh -c #(nop) COPY file:761e313354b918b6cd7ea99975a4f6b53ff5381ba689bab2984aec4dab597215 in /usr/local/bin/ "},{"created":"2016-09-23T23:20:45.453934921Z","created_by":"/bin/sh -c #(nop)  EXPOSE 80/tcp","empty_layer":true},{"created":"2016-09-23T23:20:45.78976459Z","created_by":"/bin/sh -c #(nop)  CMD [\"httpd-foreground\"]","empty_layer":true}],"os":"linux","rootfs":{"type":"layers","diff_ids":["sha256:142a601d97936307e75220c35dde0348971a9584c21e7cb42e1f7004005432ab","sha256:90fcc66ad3be9f1757f954b750deb37032f208428aa12599fcb02182b9065a9c","sha256:5a8624bb7e76d1e6829f9c64c43185e02bc07f97a2189eb048609a8914e72c56","sha256:d349ff6b3afc6a2800054768c82bfbf4289c9aa5da55c1290f802943dcd4d1e9","sha256:8c064bb1f60e84fa8cc6079b6d2e76e0423389fd6aeb7e497dfdae5e05b2b25b"]}}
\ No newline at end of file
+{"architecture":"amd64","comment":"test comment","config":{"Hostname":"383850eeb47b","Domainname":"","User":"","AttachStdin":false,"AttachStdout":false,"AttachStderr":false,"ExposedPorts":{"80/tcp":{}},"Tty":false,"OpenStdin":false,"StdinOnce":false,"Env":["PATH=/usr/local/apache2/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin","HTTPD_PREFIX=/usr/local/apache2","HTTPD_VERSION=2.4.23","HTTPD_SHA1=5101be34ac4a509b245adb70a56690a84fcc4e7f","HTTPD_BZ2_URL=https://www.apache.org/dyn/closer.cgi?action=download\u0026filename=httpd/httpd-2.4.23.tar.bz2","HTTPD_ASC_URL=https://www.apache.org/dist/httpd/httpd-2.4.23.tar.bz2.asc"],"Cmd":["httpd-foreground"],"ArgsEscaped":true,"Image":"sha256:4f83530449c67c1ed8fca72583c5b92fdf446010990028c362a381e55dd84afd","Volumes":null,"WorkingDir":"/usr/local/apache2","Entrypoint":null,"OnBuild":[],"Labels":{}},"container":"8825acde1b009729807e4b70a65a89399dd8da8e53be9216b9aaabaff4339f69","container_config":{"Hostname":"383850eeb47b","Domainname":"","User":"","AttachStdin":false,"AttachStdout":false,"AttachStderr":false,"ExposedPorts":{"80/tcp":{}},"Tty":false,"OpenStdin":false,"StdinOnce":false,"Env":["PATH=/usr/local/apache2/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin","HTTPD_PREFIX=/usr/local/apache2","HTTPD_VERSION=2.4.23","HTTPD_SHA1=5101be34ac4a509b245adb70a56690a84fcc4e7f","HTTPD_BZ2_URL=https://www.apache.org/dyn/closer.cgi?action=download\u0026filename=httpd/httpd-2.4.23.tar.bz2","HTTPD_ASC_URL=https://www.apache.org/dist/httpd/httpd-2.4.23.tar.bz2.asc"],"Cmd":["/bin/sh","-c","#(nop) ","CMD [\"httpd-foreground\"]"],"ArgsEscaped":true,"Image":"sha256:4f83530449c67c1ed8fca72583c5b92fdf446010990028c362a381e55dd84afd","Volumes":null,"WorkingDir":"/usr/local/apache2","Entrypoint":null,"OnBuild":[],"Labels":{}},"created":"2016-09-23T23:20:45.78976459Z","docker_version":"1.12.1","history":[{"created":"2016-09-23T18:08:50.537223822Z","created_by":"/bin/sh -c #(nop) ADD file:c6c23585ab140b0b320d4e99bc1b0eb544c9e96c24d90fec5e069a6d57d335ca in / "},{"created":"2016-09-23T18:08:51.133779867Z","created_by":"/bin/sh -c #(nop)  CMD [\"/bin/bash\"]","empty_layer":true},{"created":"2016-09-23T19:16:40.725768956Z","created_by":"/bin/sh -c #(nop)  ENV HTTPD_PREFIX=/usr/local/apache2","empty_layer":true},{"created":"2016-09-23T19:16:41.037788416Z","created_by":"/bin/sh -c #(nop)  ENV PATH=/usr/local/apache2/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin","empty_layer":true},{"created":"2016-09-23T19:16:41.990121202Z","created_by":"/bin/sh -c mkdir -p \"$HTTPD_PREFIX\" \t\u0026\u0026 chown www-data:www-data \"$HTTPD_PREFIX\""},{"created":"2016-09-23T19:16:42.339911155Z","created_by":"/bin/sh -c #(nop)  WORKDIR /usr/local/apache2","empty_layer":true},{"created":"2016-09-23T19:16:54.948461741Z","created_by":"/bin/sh -c apt-get update \t\u0026\u0026 apt-get install -y --no-install-recommends \t\tlibapr1 \t\tlibaprutil1 \t\tlibaprutil1-ldap \t\tlibapr1-dev \t\tlibaprutil1-dev \t\tlibpcre++0 \t\tlibssl1.0.0 \t\u0026\u0026 rm -r /var/lib/apt/lists/*"},{"created":"2016-09-23T19:16:55.321573403Z","created_by":"/bin/sh -c #(nop)  ENV HTTPD_VERSION=2.4.23","empty_layer":true},{"created":"2016-09-23T19:16:55.629947307Z","created_by":"/bin/sh -c #(nop)  ENV HTTPD_SHA1=5101be34ac4a509b245adb70a56690a84fcc4e7f","empty_layer":true},{"created":"2016-09-23T23:19:03.705796801Z","created_by":"/bin/sh -c #(nop)  ENV HTTPD_BZ2_URL=https://www.apache.org/dyn/closer.cgi?action=download\u0026filename=httpd/httpd-2.4.23.tar.bz2","empty_layer":true},{"created":"2016-09-23T23:19:04.009782822Z","created_by":"/bin/sh -c #(nop)  ENV HTTPD_ASC_URL=https://www.apache.org/dist/httpd/httpd-2.4.23.tar.bz2.asc","empty_layer":true},{"created":"2016-09-23T23:20:44.585743332Z","created_by":"/bin/sh -c set -x \t\u0026\u0026 buildDeps=' \t\tbzip2 \t\tca-certificates \t\tgcc \t\tlibpcre++-dev \t\tlibssl-dev \t\tmake \t\twget \t' \t\u0026\u0026 apt-get update \t\u0026\u0026 apt-get install -y --no-install-recommends $buildDeps \t\u0026\u0026 rm -r /var/lib/apt/lists/* \t\t\u0026\u0026 wget -O httpd.tar.bz2 \"$HTTPD_BZ2_URL\" \t\u0026\u0026 echo \"$HTTPD_SHA1 *httpd.tar.bz2\" | sha1sum -c - \t\u0026\u0026 wget -O httpd.tar.bz2.asc \"$HTTPD_ASC_URL\" \t\u0026\u0026 export GNUPGHOME=\"$(mktemp -d)\" \t\u0026\u0026 gpg --keyserver ha.pool.sks-keyservers.net --recv-keys A93D62ECC3C8EA12DB220EC934EA76E6791485A8 \t\u0026\u0026 gpg --batch --verify httpd.tar.bz2.asc httpd.tar.bz2 \t\u0026\u0026 rm -r \"$GNUPGHOME\" httpd.tar.bz2.asc \t\t\u0026\u0026 mkdir -p src \t\u0026\u0026 tar -xvf httpd.tar.bz2 -C src --strip-components=1 \t\u0026\u0026 rm httpd.tar.bz2 \t\u0026\u0026 cd src \t\t\u0026\u0026 ./configure \t\t--prefix=\"$HTTPD_PREFIX\" \t\t--enable-mods-shared=reallyall \t\u0026\u0026 make -j\"$(nproc)\" \t\u0026\u0026 make install \t\t\u0026\u0026 cd .. \t\u0026\u0026 rm -r src \t\t\u0026\u0026 sed -ri \t\t-e 's!^(\\s*CustomLog)\\s+\\S+!\\1 /proc/self/fd/1!g' \t\t-e 's!^(\\s*ErrorLog)\\s+\\S+!\\1 /proc/self/fd/2!g' \t\t\"$HTTPD_PREFIX/conf/httpd.conf\" \t\t\u0026\u0026 apt-get purge -y --auto-remove $buildDeps"},{"created":"2016-09-23T23:20:45.127455562Z","created_by":"/bin/sh -c #(nop) COPY file:761e313354b918b6cd7ea99975a4f6b53ff5381ba689bab2984aec4dab597215 in /usr/local/bin/ "},{"created":"2016-09-23T23:20:45.453934921Z","created_by":"/bin/sh -c #(nop)  EXPOSE 80/tcp","empty_layer":true},{"created":"2016-09-23T23:20:45.78976459Z","created_by":"/bin/sh -c #(nop)  CMD [\"httpd-foreground\"]","empty_layer":true}],"os":"linux","rootfs":{"type":"layers","diff_ids":["sha256:142a601d97936307e75220c35dde0348971a9584c21e7cb42e1f7004005432ab","sha256:90fcc66ad3be9f1757f954b750deb37032f208428aa12599fcb02182b9065a9c","sha256:5a8624bb7e76d1e6829f9c64c43185e02bc07f97a2189eb048609a8914e72c56","sha256:d349ff6b3afc6a2800054768c82bfbf4289c9aa5da55c1290f802943dcd4d1e9","sha256:8c064bb1f60e84fa8cc6079b6d2e76e0423389fd6aeb7e497dfdae5e05b2b25b"]}}
\ No newline at end of file
diff --git a/internal/image/fixtures/oci1-to-schema2.json b/internal/image/fixtures/oci1-to-schema2.json
index 50aa6dc06..eb5c9bfbb 100644
--- a/internal/image/fixtures/oci1-to-schema2.json
+++ b/internal/image/fixtures/oci1-to-schema2.json
@@ -4,7 +4,7 @@
    "config": {
       "mediaType": "application/vnd.docker.container.image.v1+json",
       "size": 5940,
-      "digest": "sha256:9ca4bda0a6b3727a6ffcc43e981cad0f24e2ec79d338f6ba325b4dfd0756fb8f"
+      "digest": "sha256:89d33d1a487fd8712d87c8c92ba9c5ca5d80ee94127e62fbcaee7709e1ed9a0f"
    },
    "layers": [
       {
diff --git a/internal/image/fixtures/oci1.encrypted.json b/internal/image/fixtures/oci1.encrypted.json
index c6c523e70..803ee3f73 100644
--- a/internal/image/fixtures/oci1.encrypted.json
+++ b/internal/image/fixtures/oci1.encrypted.json
@@ -4,7 +4,7 @@
    "config": {
       "mediaType": "application/vnd.oci.image.config.v1+json",
       "size": 5940,
-      "digest": "sha256:9ca4bda0a6b3727a6ffcc43e981cad0f24e2ec79d338f6ba325b4dfd0756fb8f",
+      "digest": "sha256:89d33d1a487fd8712d87c8c92ba9c5ca5d80ee94127e62fbcaee7709e1ed9a0f",
       "annotations": {
          "test-annotation-1": "one"
       }
diff --git a/internal/image/fixtures/oci1.json b/internal/image/fixtures/oci1.json
index 26efc23db..5b335ea66 100644
--- a/internal/image/fixtures/oci1.json
+++ b/internal/image/fixtures/oci1.json
@@ -4,7 +4,7 @@
    "config": {
       "mediaType": "application/vnd.oci.image.config.v1+json",
       "size": 5940,
-      "digest": "sha256:9ca4bda0a6b3727a6ffcc43e981cad0f24e2ec79d338f6ba325b4dfd0756fb8f",
+      "digest": "sha256:89d33d1a487fd8712d87c8c92ba9c5ca5d80ee94127e62fbcaee7709e1ed9a0f",
       "annotations": {
          "test-annotation-1": "one"
       }
diff --git a/internal/image/fixtures/schema1-to-oci1-config.json b/internal/image/fixtures/schema1-to-oci1-config.json
index 950e2252c..1a7cb600d 100644
--- a/internal/image/fixtures/schema1-to-oci1-config.json
+++ b/internal/image/fixtures/schema1-to-oci1-config.json
@@ -65,7 +65,8 @@
         },
         {
             "created": "2018-01-25T00:37:48.268558Z",
-            "created_by": "/bin/sh -c #(nop)  USER [nova]"
+            "created_by": "/bin/sh -c #(nop)  USER [nova]",
+            "comment": "test comment"
         }
     ],
     "rootfs": {
diff --git a/internal/image/fixtures/schema1-to-schema2-config.json b/internal/image/fixtures/schema1-to-schema2-config.json
index c182ded35..0208208ee 100644
--- a/internal/image/fixtures/schema1-to-schema2-config.json
+++ b/internal/image/fixtures/schema1-to-schema2-config.json
@@ -1,5 +1,6 @@
 {
     "architecture": "amd64",
+    "comment": "test comment",
     "config": {
         "Hostname": "9428cdea83ba",
         "Domainname": "",
@@ -146,7 +147,8 @@
         },
         {
             "created": "2018-01-25T00:37:48.268558Z",
-            "created_by": "/bin/sh -c #(nop)  USER [nova]"
+            "created_by": "/bin/sh -c #(nop)  USER [nova]",
+            "comment": "test comment"
         }
     ],
     "rootfs": {
diff --git a/internal/image/fixtures/schema1.json b/internal/image/fixtures/schema1.json
index d74114906..8b670cd7a 100644
--- a/internal/image/fixtures/schema1.json
+++ b/internal/image/fixtures/schema1.json
@@ -25,7 +25,7 @@
    ],
    "history": [
       {
-         "v1Compatibility": "{\"architecture\":\"amd64\",\"config\":{\"Hostname\":\"9428cdea83ba\",\"Domainname\":\"\",\"User\":\"nova\",\"AttachStdin\":false,\"AttachStdout\":false,\"AttachStderr\":false,\"Tty\":false,\"OpenStdin\":false,\"StdinOnce\":false,\"Env\":[\"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin\",\"container=oci\",\"KOLLA_BASE_DISTRO=rhel\",\"KOLLA_INSTALL_TYPE=binary\",\"KOLLA_INSTALL_METATYPE=rhos\",\"PS1=$(tput bold)($(printenv KOLLA_SERVICE_NAME))$(tput sgr0)[$(id -un)@$(hostname -s) $(pwd)]$ \"],\"Cmd\":[\"kolla_start\"],\"Healthcheck\":{\"Test\":[\"CMD-SHELL\",\"/openstack/healthcheck\"]},\"ArgsEscaped\":true,\"Image\":\"3bf9afe371220b1eb1c57bec39b5a99ba976c36c92d964a1c014584f95f51e33\",\"Volumes\":null,\"WorkingDir\":\"\",\"Entrypoint\":null,\"OnBuild\":[],\"Labels\":{\"Kolla-SHA\":\"5.0.0-39-g6f1b947b\",\"architecture\":\"x86_64\",\"authoritative-source-url\":\"registry.access.redhat.com\",\"build-date\":\"2018-01-25T00:32:27.807261\",\"com.redhat.build-host\":\"ip-10-29-120-186.ec2.internal\",\"com.redhat.component\":\"openstack-nova-api-docker\",\"description\":\"Red Hat OpenStack Platform 12.0 nova-api\",\"distribution-scope\":\"public\",\"io.k8s.description\":\"Red Hat OpenStack Platform 12.0 nova-api\",\"io.k8s.display-name\":\"Red Hat OpenStack Platform 12.0 nova-api\",\"io.openshift.tags\":\"rhosp osp openstack osp-12.0\",\"kolla_version\":\"stable/pike\",\"name\":\"rhosp12/openstack-nova-api\",\"release\":\"20180124.1\",\"summary\":\"Red Hat OpenStack Platform 12.0 nova-api\",\"tripleo-common_version\":\"7.6.3-23-g4891cfe\",\"url\":\"https://access.redhat.com/containers/#/registry.access.redhat.com/rhosp12/openstack-nova-api/images/12.0-20180124.1\",\"vcs-ref\":\"9b31243b7b448eb2fc3b6e2c96935b948f806e98\",\"vcs-type\":\"git\",\"vendor\":\"Red Hat, Inc.\",\"version\":\"12.0\",\"version-release\":\"12.0-20180124.1\"}},\"container_config\":{\"Hostname\":\"9428cdea83ba\",\"Domainname\":\"\",\"User\":\"nova\",\"AttachStdin\":false,\"AttachStdout\":false,\"AttachStderr\":false,\"Tty\":false,\"OpenStdin\":false,\"StdinOnce\":false,\"Env\":[\"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin\",\"container=oci\",\"KOLLA_BASE_DISTRO=rhel\",\"KOLLA_INSTALL_TYPE=binary\",\"KOLLA_INSTALL_METATYPE=rhos\",\"PS1=$(tput bold)($(printenv KOLLA_SERVICE_NAME))$(tput sgr0)[$(id -un)@$(hostname -s) $(pwd)]$ \"],\"Cmd\":[\"/bin/sh\",\"-c\",\"#(nop) \",\"USER [nova]\"],\"Healthcheck\":{\"Test\":[\"CMD-SHELL\",\"/openstack/healthcheck\"]},\"ArgsEscaped\":true,\"Image\":\"sha256:274ce4dcbeb09fa173a5d50203ae5cec28f456d1b8b59477b47a42bd74d068bf\",\"Volumes\":null,\"WorkingDir\":\"\",\"Entrypoint\":null,\"OnBuild\":[],\"Labels\":{\"Kolla-SHA\":\"5.0.0-39-g6f1b947b\",\"architecture\":\"x86_64\",\"authoritative-source-url\":\"registry.access.redhat.com\",\"build-date\":\"2018-01-25T00:32:27.807261\",\"com.redhat.build-host\":\"ip-10-29-120-186.ec2.internal\",\"com.redhat.component\":\"openstack-nova-api-docker\",\"description\":\"Red Hat OpenStack Platform 12.0 nova-api\",\"distribution-scope\":\"public\",\"io.k8s.description\":\"Red Hat OpenStack Platform 12.0 nova-api\",\"io.k8s.display-name\":\"Red Hat OpenStack Platform 12.0 nova-api\",\"io.openshift.tags\":\"rhosp osp openstack osp-12.0\",\"kolla_version\":\"stable/pike\",\"name\":\"rhosp12/openstack-nova-api\",\"release\":\"20180124.1\",\"summary\":\"Red Hat OpenStack Platform 12.0 nova-api\",\"tripleo-common_version\":\"7.6.3-23-g4891cfe\",\"url\":\"https://access.redhat.com/containers/#/registry.access.redhat.com/rhosp12/openstack-nova-api/images/12.0-20180124.1\",\"vcs-ref\":\"9b31243b7b448eb2fc3b6e2c96935b948f806e98\",\"vcs-type\":\"git\",\"vendor\":\"Red Hat, Inc.\",\"version\":\"12.0\",\"version-release\":\"12.0-20180124.1\"}},\"created\":\"2018-01-25T00:37:48.268558Z\",\"docker_version\":\"1.12.6\",\"id\":\"486cbbaf6c6f7d890f9368c86eda3f4ebe3ae982b75098037eb3c3cc6f0e0cdf\",\"os\":\"linux\",\"parent\":\"20d0c9c79f9fee83c4094993335b9b321112f13eef60ed9ec1599c7593dccf20\"}"
+         "v1Compatibility": "{\"architecture\":\"amd64\",\"comment\": \"test comment\",\"config\":{\"Hostname\":\"9428cdea83ba\",\"Domainname\":\"\",\"User\":\"nova\",\"AttachStdin\":false,\"AttachStdout\":false,\"AttachStderr\":false,\"Tty\":false,\"OpenStdin\":false,\"StdinOnce\":false,\"Env\":[\"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin\",\"container=oci\",\"KOLLA_BASE_DISTRO=rhel\",\"KOLLA_INSTALL_TYPE=binary\",\"KOLLA_INSTALL_METATYPE=rhos\",\"PS1=$(tput bold)($(printenv KOLLA_SERVICE_NAME))$(tput sgr0)[$(id -un)@$(hostname -s) $(pwd)]$ \"],\"Cmd\":[\"kolla_start\"],\"Healthcheck\":{\"Test\":[\"CMD-SHELL\",\"/openstack/healthcheck\"]},\"ArgsEscaped\":true,\"Image\":\"3bf9afe371220b1eb1c57bec39b5a99ba976c36c92d964a1c014584f95f51e33\",\"Volumes\":null,\"WorkingDir\":\"\",\"Entrypoint\":null,\"OnBuild\":[],\"Labels\":{\"Kolla-SHA\":\"5.0.0-39-g6f1b947b\",\"architecture\":\"x86_64\",\"authoritative-source-url\":\"registry.access.redhat.com\",\"build-date\":\"2018-01-25T00:32:27.807261\",\"com.redhat.build-host\":\"ip-10-29-120-186.ec2.internal\",\"com.redhat.component\":\"openstack-nova-api-docker\",\"description\":\"Red Hat OpenStack Platform 12.0 nova-api\",\"distribution-scope\":\"public\",\"io.k8s.description\":\"Red Hat OpenStack Platform 12.0 nova-api\",\"io.k8s.display-name\":\"Red Hat OpenStack Platform 12.0 nova-api\",\"io.openshift.tags\":\"rhosp osp openstack osp-12.0\",\"kolla_version\":\"stable/pike\",\"name\":\"rhosp12/openstack-nova-api\",\"release\":\"20180124.1\",\"summary\":\"Red Hat OpenStack Platform 12.0 nova-api\",\"tripleo-common_version\":\"7.6.3-23-g4891cfe\",\"url\":\"https://access.redhat.com/containers/#/registry.access.redhat.com/rhosp12/openstack-nova-api/images/12.0-20180124.1\",\"vcs-ref\":\"9b31243b7b448eb2fc3b6e2c96935b948f806e98\",\"vcs-type\":\"git\",\"vendor\":\"Red Hat, Inc.\",\"version\":\"12.0\",\"version-release\":\"12.0-20180124.1\"}},\"container_config\":{\"Hostname\":\"9428cdea83ba\",\"Domainname\":\"\",\"User\":\"nova\",\"AttachStdin\":false,\"AttachStdout\":false,\"AttachStderr\":false,\"Tty\":false,\"OpenStdin\":false,\"StdinOnce\":false,\"Env\":[\"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin\",\"container=oci\",\"KOLLA_BASE_DISTRO=rhel\",\"KOLLA_INSTALL_TYPE=binary\",\"KOLLA_INSTALL_METATYPE=rhos\",\"PS1=$(tput bold)($(printenv KOLLA_SERVICE_NAME))$(tput sgr0)[$(id -un)@$(hostname -s) $(pwd)]$ \"],\"Cmd\":[\"/bin/sh\",\"-c\",\"#(nop) \",\"USER [nova]\"],\"Healthcheck\":{\"Test\":[\"CMD-SHELL\",\"/openstack/healthcheck\"]},\"ArgsEscaped\":true,\"Image\":\"sha256:274ce4dcbeb09fa173a5d50203ae5cec28f456d1b8b59477b47a42bd74d068bf\",\"Volumes\":null,\"WorkingDir\":\"\",\"Entrypoint\":null,\"OnBuild\":[],\"Labels\":{\"Kolla-SHA\":\"5.0.0-39-g6f1b947b\",\"architecture\":\"x86_64\",\"authoritative-source-url\":\"registry.access.redhat.com\",\"build-date\":\"2018-01-25T00:32:27.807261\",\"com.redhat.build-host\":\"ip-10-29-120-186.ec2.internal\",\"com.redhat.component\":\"openstack-nova-api-docker\",\"description\":\"Red Hat OpenStack Platform 12.0 nova-api\",\"distribution-scope\":\"public\",\"io.k8s.description\":\"Red Hat OpenStack Platform 12.0 nova-api\",\"io.k8s.display-name\":\"Red Hat OpenStack Platform 12.0 nova-api\",\"io.openshift.tags\":\"rhosp osp openstack osp-12.0\",\"kolla_version\":\"stable/pike\",\"name\":\"rhosp12/openstack-nova-api\",\"release\":\"20180124.1\",\"summary\":\"Red Hat OpenStack Platform 12.0 nova-api\",\"tripleo-common_version\":\"7.6.3-23-g4891cfe\",\"url\":\"https://access.redhat.com/containers/#/registry.access.redhat.com/rhosp12/openstack-nova-api/images/12.0-20180124.1\",\"vcs-ref\":\"9b31243b7b448eb2fc3b6e2c96935b948f806e98\",\"vcs-type\":\"git\",\"vendor\":\"Red Hat, Inc.\",\"version\":\"12.0\",\"version-release\":\"12.0-20180124.1\"}},\"created\":\"2018-01-25T00:37:48.268558Z\",\"docker_version\":\"1.12.6\",\"id\":\"486cbbaf6c6f7d890f9368c86eda3f4ebe3ae982b75098037eb3c3cc6f0e0cdf\",\"os\":\"linux\",\"parent\":\"20d0c9c79f9fee83c4094993335b9b321112f13eef60ed9ec1599c7593dccf20\"}"
       },
       {
          "v1Compatibility": "{\"id\":\"20d0c9c79f9fee83c4094993335b9b321112f13eef60ed9ec1599c7593dccf20\",\"parent\":\"47a1014db2116c312736e11adcc236fb77d0ad32457f959cbaec0c3fc9ab1caa\",\"created\":\"2018-01-24T23:08:25.300741Z\",\"container_config\":{\"Cmd\":[\"/bin/sh -c rm -f '/etc/yum.repos.d/rhel-7.4.repo' '/etc/yum.repos.d/rhos-optools-12.0.repo' '/etc/yum.repos.d/rhos-12.0-container-yum-need_images.repo'\"]}}"
diff --git a/internal/image/fixtures/schema2-all-media-types.json b/internal/image/fixtures/schema2-all-media-types.json
index 2c3d8c7da..d175c7c75 100644
--- a/internal/image/fixtures/schema2-all-media-types.json
+++ b/internal/image/fixtures/schema2-all-media-types.json
@@ -4,7 +4,7 @@
     "config": {
        "mediaType": "application/vnd.docker.container.image.v1+json",
        "size": 4651,
-       "digest": "sha256:9ca4bda0a6b3727a6ffcc43e981cad0f24e2ec79d338f6ba325b4dfd0756fb8f"
+       "digest": "sha256:89d33d1a487fd8712d87c8c92ba9c5ca5d80ee94127e62fbcaee7709e1ed9a0f"
     },
     "layers": [
         {
diff --git a/internal/image/fixtures/schema2-config.json b/internal/image/fixtures/schema2-config.json
index f49230ea7..22578c785 100644
--- a/internal/image/fixtures/schema2-config.json
+++ b/internal/image/fixtures/schema2-config.json
@@ -1 +1 @@
-{"architecture":"amd64","config":{"Hostname":"383850eeb47b","Domainname":"","User":"","AttachStdin":false,"AttachStdout":false,"AttachStderr":false,"ExposedPorts":{"80/tcp":{}},"Tty":false,"OpenStdin":false,"StdinOnce":false,"Env":["PATH=/usr/local/apache2/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin","HTTPD_PREFIX=/usr/local/apache2","HTTPD_VERSION=2.4.23","HTTPD_SHA1=5101be34ac4a509b245adb70a56690a84fcc4e7f","HTTPD_BZ2_URL=https://www.apache.org/dyn/closer.cgi?action=download\u0026filename=httpd/httpd-2.4.23.tar.bz2","HTTPD_ASC_URL=https://www.apache.org/dist/httpd/httpd-2.4.23.tar.bz2.asc"],"Cmd":["httpd-foreground"],"ArgsEscaped":true,"Image":"sha256:4f83530449c67c1ed8fca72583c5b92fdf446010990028c362a381e55dd84afd","Volumes":null,"WorkingDir":"/usr/local/apache2","Entrypoint":null,"OnBuild":[],"Labels":{}},"container":"8825acde1b009729807e4b70a65a89399dd8da8e53be9216b9aaabaff4339f69","container_config":{"Hostname":"383850eeb47b","Domainname":"","User":"","AttachStdin":false,"AttachStdout":false,"AttachStderr":false,"ExposedPorts":{"80/tcp":{}},"Tty":false,"OpenStdin":false,"StdinOnce":false,"Env":["PATH=/usr/local/apache2/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin","HTTPD_PREFIX=/usr/local/apache2","HTTPD_VERSION=2.4.23","HTTPD_SHA1=5101be34ac4a509b245adb70a56690a84fcc4e7f","HTTPD_BZ2_URL=https://www.apache.org/dyn/closer.cgi?action=download\u0026filename=httpd/httpd-2.4.23.tar.bz2","HTTPD_ASC_URL=https://www.apache.org/dist/httpd/httpd-2.4.23.tar.bz2.asc"],"Cmd":["/bin/sh","-c","#(nop) ","CMD [\"httpd-foreground\"]"],"ArgsEscaped":true,"Image":"sha256:4f83530449c67c1ed8fca72583c5b92fdf446010990028c362a381e55dd84afd","Volumes":null,"WorkingDir":"/usr/local/apache2","Entrypoint":null,"OnBuild":[],"Labels":{}},"created":"2016-09-23T23:20:45.78976459Z","docker_version":"1.12.1","history":[{"created":"2016-09-23T18:08:50.537223822Z","created_by":"/bin/sh -c #(nop) ADD file:c6c23585ab140b0b320d4e99bc1b0eb544c9e96c24d90fec5e069a6d57d335ca in / "},{"created":"2016-09-23T18:08:51.133779867Z","created_by":"/bin/sh -c #(nop)  CMD [\"/bin/bash\"]","empty_layer":true},{"created":"2016-09-23T19:16:40.725768956Z","created_by":"/bin/sh -c #(nop)  ENV HTTPD_PREFIX=/usr/local/apache2","empty_layer":true},{"created":"2016-09-23T19:16:41.037788416Z","created_by":"/bin/sh -c #(nop)  ENV PATH=/usr/local/apache2/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin","empty_layer":true},{"created":"2016-09-23T19:16:41.990121202Z","created_by":"/bin/sh -c mkdir -p \"$HTTPD_PREFIX\" \t\u0026\u0026 chown www-data:www-data \"$HTTPD_PREFIX\""},{"created":"2016-09-23T19:16:42.339911155Z","created_by":"/bin/sh -c #(nop)  WORKDIR /usr/local/apache2","empty_layer":true},{"created":"2016-09-23T19:16:54.948461741Z","created_by":"/bin/sh -c apt-get update \t\u0026\u0026 apt-get install -y --no-install-recommends \t\tlibapr1 \t\tlibaprutil1 \t\tlibaprutil1-ldap \t\tlibapr1-dev \t\tlibaprutil1-dev \t\tlibpcre++0 \t\tlibssl1.0.0 \t\u0026\u0026 rm -r /var/lib/apt/lists/*"},{"created":"2016-09-23T19:16:55.321573403Z","created_by":"/bin/sh -c #(nop)  ENV HTTPD_VERSION=2.4.23","empty_layer":true},{"created":"2016-09-23T19:16:55.629947307Z","created_by":"/bin/sh -c #(nop)  ENV HTTPD_SHA1=5101be34ac4a509b245adb70a56690a84fcc4e7f","empty_layer":true},{"created":"2016-09-23T23:19:03.705796801Z","created_by":"/bin/sh -c #(nop)  ENV HTTPD_BZ2_URL=https://www.apache.org/dyn/closer.cgi?action=download\u0026filename=httpd/httpd-2.4.23.tar.bz2","empty_layer":true},{"created":"2016-09-23T23:19:04.009782822Z","created_by":"/bin/sh -c #(nop)  ENV HTTPD_ASC_URL=https://www.apache.org/dist/httpd/httpd-2.4.23.tar.bz2.asc","empty_layer":true},{"created":"2016-09-23T23:20:44.585743332Z","created_by":"/bin/sh -c set -x \t\u0026\u0026 buildDeps=' \t\tbzip2 \t\tca-certificates \t\tgcc \t\tlibpcre++-dev \t\tlibssl-dev \t\tmake \t\twget \t' \t\u0026\u0026 apt-get update \t\u0026\u0026 apt-get install -y --no-install-recommends $buildDeps \t\u0026\u0026 rm -r /var/lib/apt/lists/* \t\t\u0026\u0026 wget -O httpd.tar.bz2 \"$HTTPD_BZ2_URL\" \t\u0026\u0026 echo \"$HTTPD_SHA1 *httpd.tar.bz2\" | sha1sum -c - \t\u0026\u0026 wget -O httpd.tar.bz2.asc \"$HTTPD_ASC_URL\" \t\u0026\u0026 export GNUPGHOME=\"$(mktemp -d)\" \t\u0026\u0026 gpg --keyserver ha.pool.sks-keyservers.net --recv-keys A93D62ECC3C8EA12DB220EC934EA76E6791485A8 \t\u0026\u0026 gpg --batch --verify httpd.tar.bz2.asc httpd.tar.bz2 \t\u0026\u0026 rm -r \"$GNUPGHOME\" httpd.tar.bz2.asc \t\t\u0026\u0026 mkdir -p src \t\u0026\u0026 tar -xvf httpd.tar.bz2 -C src --strip-components=1 \t\u0026\u0026 rm httpd.tar.bz2 \t\u0026\u0026 cd src \t\t\u0026\u0026 ./configure \t\t--prefix=\"$HTTPD_PREFIX\" \t\t--enable-mods-shared=reallyall \t\u0026\u0026 make -j\"$(nproc)\" \t\u0026\u0026 make install \t\t\u0026\u0026 cd .. \t\u0026\u0026 rm -r src \t\t\u0026\u0026 sed -ri \t\t-e 's!^(\\s*CustomLog)\\s+\\S+!\\1 /proc/self/fd/1!g' \t\t-e 's!^(\\s*ErrorLog)\\s+\\S+!\\1 /proc/self/fd/2!g' \t\t\"$HTTPD_PREFIX/conf/httpd.conf\" \t\t\u0026\u0026 apt-get purge -y --auto-remove $buildDeps"},{"created":"2016-09-23T23:20:45.127455562Z","created_by":"/bin/sh -c #(nop) COPY file:761e313354b918b6cd7ea99975a4f6b53ff5381ba689bab2984aec4dab597215 in /usr/local/bin/ "},{"created":"2016-09-23T23:20:45.453934921Z","created_by":"/bin/sh -c #(nop)  EXPOSE 80/tcp","empty_layer":true},{"created":"2016-09-23T23:20:45.78976459Z","created_by":"/bin/sh -c #(nop)  CMD [\"httpd-foreground\"]","empty_layer":true}],"os":"linux","rootfs":{"type":"layers","diff_ids":["sha256:142a601d97936307e75220c35dde0348971a9584c21e7cb42e1f7004005432ab","sha256:90fcc66ad3be9f1757f954b750deb37032f208428aa12599fcb02182b9065a9c","sha256:5a8624bb7e76d1e6829f9c64c43185e02bc07f97a2189eb048609a8914e72c56","sha256:d349ff6b3afc6a2800054768c82bfbf4289c9aa5da55c1290f802943dcd4d1e9","sha256:8c064bb1f60e84fa8cc6079b6d2e76e0423389fd6aeb7e497dfdae5e05b2b25b"]}}
\ No newline at end of file
+{"architecture":"amd64","comment":"test comment","config":{"Hostname":"383850eeb47b","Domainname":"","User":"","AttachStdin":false,"AttachStdout":false,"AttachStderr":false,"ExposedPorts":{"80/tcp":{}},"Tty":false,"OpenStdin":false,"StdinOnce":false,"Env":["PATH=/usr/local/apache2/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin","HTTPD_PREFIX=/usr/local/apache2","HTTPD_VERSION=2.4.23","HTTPD_SHA1=5101be34ac4a509b245adb70a56690a84fcc4e7f","HTTPD_BZ2_URL=https://www.apache.org/dyn/closer.cgi?action=download\u0026filename=httpd/httpd-2.4.23.tar.bz2","HTTPD_ASC_URL=https://www.apache.org/dist/httpd/httpd-2.4.23.tar.bz2.asc"],"Cmd":["httpd-foreground"],"ArgsEscaped":true,"Image":"sha256:4f83530449c67c1ed8fca72583c5b92fdf446010990028c362a381e55dd84afd","Volumes":null,"WorkingDir":"/usr/local/apache2","Entrypoint":null,"OnBuild":[],"Labels":{}},"container":"8825acde1b009729807e4b70a65a89399dd8da8e53be9216b9aaabaff4339f69","container_config":{"Hostname":"383850eeb47b","Domainname":"","User":"","AttachStdin":false,"AttachStdout":false,"AttachStderr":false,"ExposedPorts":{"80/tcp":{}},"Tty":false,"OpenStdin":false,"StdinOnce":false,"Env":["PATH=/usr/local/apache2/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin","HTTPD_PREFIX=/usr/local/apache2","HTTPD_VERSION=2.4.23","HTTPD_SHA1=5101be34ac4a509b245adb70a56690a84fcc4e7f","HTTPD_BZ2_URL=https://www.apache.org/dyn/closer.cgi?action=download\u0026filename=httpd/httpd-2.4.23.tar.bz2","HTTPD_ASC_URL=https://www.apache.org/dist/httpd/httpd-2.4.23.tar.bz2.asc"],"Cmd":["/bin/sh","-c","#(nop) ","CMD [\"httpd-foreground\"]"],"ArgsEscaped":true,"Image":"sha256:4f83530449c67c1ed8fca72583c5b92fdf446010990028c362a381e55dd84afd","Volumes":null,"WorkingDir":"/usr/local/apache2","Entrypoint":null,"OnBuild":[],"Labels":{}},"created":"2016-09-23T23:20:45.78976459Z","docker_version":"1.12.1","history":[{"created":"2016-09-23T18:08:50.537223822Z","created_by":"/bin/sh -c #(nop) ADD file:c6c23585ab140b0b320d4e99bc1b0eb544c9e96c24d90fec5e069a6d57d335ca in / "},{"created":"2016-09-23T18:08:51.133779867Z","created_by":"/bin/sh -c #(nop)  CMD [\"/bin/bash\"]","empty_layer":true},{"created":"2016-09-23T19:16:40.725768956Z","created_by":"/bin/sh -c #(nop)  ENV HTTPD_PREFIX=/usr/local/apache2","empty_layer":true},{"created":"2016-09-23T19:16:41.037788416Z","created_by":"/bin/sh -c #(nop)  ENV PATH=/usr/local/apache2/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin","empty_layer":true},{"created":"2016-09-23T19:16:41.990121202Z","created_by":"/bin/sh -c mkdir -p \"$HTTPD_PREFIX\" \t\u0026\u0026 chown www-data:www-data \"$HTTPD_PREFIX\""},{"created":"2016-09-23T19:16:42.339911155Z","created_by":"/bin/sh -c #(nop)  WORKDIR /usr/local/apache2","empty_layer":true},{"created":"2016-09-23T19:16:54.948461741Z","created_by":"/bin/sh -c apt-get update \t\u0026\u0026 apt-get install -y --no-install-recommends \t\tlibapr1 \t\tlibaprutil1 \t\tlibaprutil1-ldap \t\tlibapr1-dev \t\tlibaprutil1-dev \t\tlibpcre++0 \t\tlibssl1.0.0 \t\u0026\u0026 rm -r /var/lib/apt/lists/*"},{"created":"2016-09-23T19:16:55.321573403Z","created_by":"/bin/sh -c #(nop)  ENV HTTPD_VERSION=2.4.23","empty_layer":true},{"created":"2016-09-23T19:16:55.629947307Z","created_by":"/bin/sh -c #(nop)  ENV HTTPD_SHA1=5101be34ac4a509b245adb70a56690a84fcc4e7f","empty_layer":true},{"created":"2016-09-23T23:19:03.705796801Z","created_by":"/bin/sh -c #(nop)  ENV HTTPD_BZ2_URL=https://www.apache.org/dyn/closer.cgi?action=download\u0026filename=httpd/httpd-2.4.23.tar.bz2","empty_layer":true},{"created":"2016-09-23T23:19:04.009782822Z","created_by":"/bin/sh -c #(nop)  ENV HTTPD_ASC_URL=https://www.apache.org/dist/httpd/httpd-2.4.23.tar.bz2.asc","empty_layer":true},{"created":"2016-09-23T23:20:44.585743332Z","created_by":"/bin/sh -c set -x \t\u0026\u0026 buildDeps=' \t\tbzip2 \t\tca-certificates \t\tgcc \t\tlibpcre++-dev \t\tlibssl-dev \t\tmake \t\twget \t' \t\u0026\u0026 apt-get update \t\u0026\u0026 apt-get install -y --no-install-recommends $buildDeps \t\u0026\u0026 rm -r /var/lib/apt/lists/* \t\t\u0026\u0026 wget -O httpd.tar.bz2 \"$HTTPD_BZ2_URL\" \t\u0026\u0026 echo \"$HTTPD_SHA1 *httpd.tar.bz2\" | sha1sum -c - \t\u0026\u0026 wget -O httpd.tar.bz2.asc \"$HTTPD_ASC_URL\" \t\u0026\u0026 export GNUPGHOME=\"$(mktemp -d)\" \t\u0026\u0026 gpg --keyserver ha.pool.sks-keyservers.net --recv-keys A93D62ECC3C8EA12DB220EC934EA76E6791485A8 \t\u0026\u0026 gpg --batch --verify httpd.tar.bz2.asc httpd.tar.bz2 \t\u0026\u0026 rm -r \"$GNUPGHOME\" httpd.tar.bz2.asc \t\t\u0026\u0026 mkdir -p src \t\u0026\u0026 tar -xvf httpd.tar.bz2 -C src --strip-components=1 \t\u0026\u0026 rm httpd.tar.bz2 \t\u0026\u0026 cd src \t\t\u0026\u0026 ./configure \t\t--prefix=\"$HTTPD_PREFIX\" \t\t--enable-mods-shared=reallyall \t\u0026\u0026 make -j\"$(nproc)\" \t\u0026\u0026 make install \t\t\u0026\u0026 cd .. \t\u0026\u0026 rm -r src \t\t\u0026\u0026 sed -ri \t\t-e 's!^(\\s*CustomLog)\\s+\\S+!\\1 /proc/self/fd/1!g' \t\t-e 's!^(\\s*ErrorLog)\\s+\\S+!\\1 /proc/self/fd/2!g' \t\t\"$HTTPD_PREFIX/conf/httpd.conf\" \t\t\u0026\u0026 apt-get purge -y --auto-remove $buildDeps"},{"created":"2016-09-23T23:20:45.127455562Z","created_by":"/bin/sh -c #(nop) COPY file:761e313354b918b6cd7ea99975a4f6b53ff5381ba689bab2984aec4dab597215 in /usr/local/bin/ "},{"created":"2016-09-23T23:20:45.453934921Z","created_by":"/bin/sh -c #(nop)  EXPOSE 80/tcp","empty_layer":true},{"created":"2016-09-23T23:20:45.78976459Z","created_by":"/bin/sh -c #(nop)  CMD [\"httpd-foreground\"]","empty_layer":true}],"os":"linux","rootfs":{"type":"layers","diff_ids":["sha256:142a601d97936307e75220c35dde0348971a9584c21e7cb42e1f7004005432ab","sha256:90fcc66ad3be9f1757f954b750deb37032f208428aa12599fcb02182b9065a9c","sha256:5a8624bb7e76d1e6829f9c64c43185e02bc07f97a2189eb048609a8914e72c56","sha256:d349ff6b3afc6a2800054768c82bfbf4289c9aa5da55c1290f802943dcd4d1e9","sha256:8c064bb1f60e84fa8cc6079b6d2e76e0423389fd6aeb7e497dfdae5e05b2b25b"]}}
\ No newline at end of file
diff --git a/internal/image/fixtures/schema2-to-schema1-by-docker.json b/internal/image/fixtures/schema2-to-schema1-by-docker.json
index 494450d9f..01313f4a1 100644
--- a/internal/image/fixtures/schema2-to-schema1-by-docker.json
+++ b/internal/image/fixtures/schema2-to-schema1-by-docker.json
@@ -52,7 +52,7 @@
    ],
    "history": [
       {
-         "v1Compatibility": "{\"architecture\":\"amd64\",\"config\":{\"Hostname\":\"383850eeb47b\",\"Domainname\":\"\",\"User\":\"\",\"AttachStdin\":false,\"AttachStdout\":false,\"AttachStderr\":false,\"ExposedPorts\":{\"80/tcp\":{}},\"Tty\":false,\"OpenStdin\":false,\"StdinOnce\":false,\"Env\":[\"PATH=/usr/local/apache2/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin\",\"HTTPD_PREFIX=/usr/local/apache2\",\"HTTPD_VERSION=2.4.23\",\"HTTPD_SHA1=5101be34ac4a509b245adb70a56690a84fcc4e7f\",\"HTTPD_BZ2_URL=https://www.apache.org/dyn/closer.cgi?action=download\\u0026filename=httpd/httpd-2.4.23.tar.bz2\",\"HTTPD_ASC_URL=https://www.apache.org/dist/httpd/httpd-2.4.23.tar.bz2.asc\"],\"Cmd\":[\"httpd-foreground\"],\"ArgsEscaped\":true,\"Image\":\"sha256:4f83530449c67c1ed8fca72583c5b92fdf446010990028c362a381e55dd84afd\",\"Volumes\":null,\"WorkingDir\":\"/usr/local/apache2\",\"Entrypoint\":null,\"OnBuild\":[],\"Labels\":{}},\"container\":\"8825acde1b009729807e4b70a65a89399dd8da8e53be9216b9aaabaff4339f69\",\"container_config\":{\"Hostname\":\"383850eeb47b\",\"Domainname\":\"\",\"User\":\"\",\"AttachStdin\":false,\"AttachStdout\":false,\"AttachStderr\":false,\"ExposedPorts\":{\"80/tcp\":{}},\"Tty\":false,\"OpenStdin\":false,\"StdinOnce\":false,\"Env\":[\"PATH=/usr/local/apache2/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin\",\"HTTPD_PREFIX=/usr/local/apache2\",\"HTTPD_VERSION=2.4.23\",\"HTTPD_SHA1=5101be34ac4a509b245adb70a56690a84fcc4e7f\",\"HTTPD_BZ2_URL=https://www.apache.org/dyn/closer.cgi?action=download\\u0026filename=httpd/httpd-2.4.23.tar.bz2\",\"HTTPD_ASC_URL=https://www.apache.org/dist/httpd/httpd-2.4.23.tar.bz2.asc\"],\"Cmd\":[\"/bin/sh\",\"-c\",\"#(nop) \",\"CMD [\\\"httpd-foreground\\\"]\"],\"ArgsEscaped\":true,\"Image\":\"sha256:4f83530449c67c1ed8fca72583c5b92fdf446010990028c362a381e55dd84afd\",\"Volumes\":null,\"WorkingDir\":\"/usr/local/apache2\",\"Entrypoint\":null,\"OnBuild\":[],\"Labels\":{}},\"created\":\"2016-09-23T23:20:45.78976459Z\",\"docker_version\":\"1.12.1\",\"id\":\"dca7323f9c839837493199d63263083d94f5eb1796d7bd04ca8374c4e9d3749a\",\"os\":\"linux\",\"parent\":\"1b750729af47c9a802c8d14b0d327d3ad5ecdce5ae773ac728a0263315b914f4\",\"throwaway\":true}"
+         "v1Compatibility": "{\"architecture\":\"amd64\",\"comment\":\"test comment\",\"config\":{\"Hostname\":\"383850eeb47b\",\"Domainname\":\"\",\"User\":\"\",\"AttachStdin\":false,\"AttachStdout\":false,\"AttachStderr\":false,\"ExposedPorts\":{\"80/tcp\":{}},\"Tty\":false,\"OpenStdin\":false,\"StdinOnce\":false,\"Env\":[\"PATH=/usr/local/apache2/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin\",\"HTTPD_PREFIX=/usr/local/apache2\",\"HTTPD_VERSION=2.4.23\",\"HTTPD_SHA1=5101be34ac4a509b245adb70a56690a84fcc4e7f\",\"HTTPD_BZ2_URL=https://www.apache.org/dyn/closer.cgi?action=download\\u0026filename=httpd/httpd-2.4.23.tar.bz2\",\"HTTPD_ASC_URL=https://www.apache.org/dist/httpd/httpd-2.4.23.tar.bz2.asc\"],\"Cmd\":[\"httpd-foreground\"],\"ArgsEscaped\":true,\"Image\":\"sha256:4f83530449c67c1ed8fca72583c5b92fdf446010990028c362a381e55dd84afd\",\"Volumes\":null,\"WorkingDir\":\"/usr/local/apache2\",\"Entrypoint\":null,\"OnBuild\":[],\"Labels\":{}},\"container\":\"8825acde1b009729807e4b70a65a89399dd8da8e53be9216b9aaabaff4339f69\",\"container_config\":{\"Hostname\":\"383850eeb47b\",\"Domainname\":\"\",\"User\":\"\",\"AttachStdin\":false,\"AttachStdout\":false,\"AttachStderr\":false,\"ExposedPorts\":{\"80/tcp\":{}},\"Tty\":false,\"OpenStdin\":false,\"StdinOnce\":false,\"Env\":[\"PATH=/usr/local/apache2/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin\",\"HTTPD_PREFIX=/usr/local/apache2\",\"HTTPD_VERSION=2.4.23\",\"HTTPD_SHA1=5101be34ac4a509b245adb70a56690a84fcc4e7f\",\"HTTPD_BZ2_URL=https://www.apache.org/dyn/closer.cgi?action=download\\u0026filename=httpd/httpd-2.4.23.tar.bz2\",\"HTTPD_ASC_URL=https://www.apache.org/dist/httpd/httpd-2.4.23.tar.bz2.asc\"],\"Cmd\":[\"/bin/sh\",\"-c\",\"#(nop) \",\"CMD [\\\"httpd-foreground\\\"]\"],\"ArgsEscaped\":true,\"Image\":\"sha256:4f83530449c67c1ed8fca72583c5b92fdf446010990028c362a381e55dd84afd\",\"Volumes\":null,\"WorkingDir\":\"/usr/local/apache2\",\"Entrypoint\":null,\"OnBuild\":[],\"Labels\":{}},\"created\":\"2016-09-23T23:20:45.78976459Z\",\"docker_version\":\"1.12.1\",\"id\":\"5c92be31123b1c46e77959484f6ca93cf362f2d0cb46fa9ffd0e3f6434a020db\",\"os\":\"linux\",\"parent\":\"1b750729af47c9a802c8d14b0d327d3ad5ecdce5ae773ac728a0263315b914f4\",\"throwaway\":true}"
       },
       {
          "v1Compatibility": "{\"id\":\"1b750729af47c9a802c8d14b0d327d3ad5ecdce5ae773ac728a0263315b914f4\",\"parent\":\"3ef2f186f8b0a2fd2d95f5a1f1cd213f5fb0a6e51b0a8dfbe2ec7003a788ff9a\",\"created\":\"2016-09-23T23:20:45.453934921Z\",\"container_config\":{\"Cmd\":[\"/bin/sh -c #(nop)  EXPOSE 80/tcp\"]},\"throwaway\":true}"
@@ -113,4 +113,4 @@
          "protected": "eyJmb3JtYXRMZW5ndGgiOjEwODk1LCJmb3JtYXRUYWlsIjoiQ24wIiwidGltZSI6IjIwMTYtMTAtMTRUMTY6MTI6MDlaIn0"
       }
    ]
-}
+}
\ No newline at end of file
diff --git a/internal/image/fixtures/schema2.json b/internal/image/fixtures/schema2.json
index 8df4c0daf..4836f5085 100644
--- a/internal/image/fixtures/schema2.json
+++ b/internal/image/fixtures/schema2.json
@@ -4,7 +4,7 @@
    "config": {
       "mediaType": "application/octet-stream",
       "size": 5940,
-      "digest": "sha256:9ca4bda0a6b3727a6ffcc43e981cad0f24e2ec79d338f6ba325b4dfd0756fb8f"
+      "digest": "sha256:89d33d1a487fd8712d87c8c92ba9c5ca5d80ee94127e62fbcaee7709e1ed9a0f"
    },
    "layers": [
       {
@@ -33,4 +33,4 @@
          "digest": "sha256:960e52ecf8200cbd84e70eb2ad8678f4367e50d14357021872c10fa3fc5935fa"
       }
    ]
-}
\ No newline at end of file
+}
diff --git a/internal/image/oci_test.go b/internal/image/oci_test.go
index 0ac22f34b..4ddba1e18 100644
--- a/internal/image/oci_test.go
+++ b/internal/image/oci_test.go
@@ -315,6 +315,7 @@ func TestManifestOCI1Inspect(t *testing.T) {
 		assert.Equal(t, types.ImageInspectInfo{
 			Tag:           "",
 			Created:       &created,
+			Comment:       "test comment",
 			DockerVersion: "1.12.1",
 			Labels:        map[string]string{},
 			Architecture:  "amd64",
diff --git a/manifest/docker_schema1.go b/manifest/docker_schema1.go
index 762815570..4aa044079 100644
--- a/manifest/docker_schema1.go
+++ b/manifest/docker_schema1.go
@@ -253,6 +253,7 @@ func (m *Schema1) Inspect(_ func(types.BlobInfo) ([]byte, error)) (*types.ImageI
 		Layers:        layerInfosToStrings(layerInfos),
 		LayersData:    imgInspectLayersFromLayerInfos(layerInfos),
 		Author:        s1.Author,
+		Comment:       s1.Comment,
 	}
 	if s1.Config != nil {
 		i.Labels = s1.Config.Labels
diff --git a/manifest/docker_schema1_test.go b/manifest/docker_schema1_test.go
index 0c8603645..11a457723 100644
--- a/manifest/docker_schema1_test.go
+++ b/manifest/docker_schema1_test.go
@@ -358,5 +358,5 @@ func TestSchema1ImageID(t *testing.T) {
 	require.NoError(t, err)
 	// NOTE: This value is dependent on the Schema1.ToSchema2Config implementation, and not necessarily stable over time.
 	// This is mostly a smoke-test; it’s fine to just update this value if that implementation changes.
-	assert.Equal(t, "9ca4bda0a6b3727a6ffcc43e981cad0f24e2ec79d338f6ba325b4dfd0756fb8f", id)
+	assert.Equal(t, "ac5a32a5f879a9a808ca5a23449f33df72b73bdf02b6d5ada534950b8b263b6b", id)
 }
diff --git a/manifest/docker_schema2.go b/manifest/docker_schema2.go
index 20b721f4c..eba28b40c 100644
--- a/manifest/docker_schema2.go
+++ b/manifest/docker_schema2.go
@@ -271,6 +271,10 @@ func (m *Schema2) Inspect(configGetter func(types.BlobInfo) ([]byte, error)) (*t
 		return nil, err
 	}
 	layerInfos := m.LayerInfos()
+	comment := s2.Comment
+	if len(comment) == 0 && len(s2.History) > 0 {
+		comment = s2.History[len(s2.History)-1].Comment
+	}
 	i := &types.ImageInspectInfo{
 		Tag:           "",
 		Created:       &s2.Created,
@@ -281,6 +285,7 @@ func (m *Schema2) Inspect(configGetter func(types.BlobInfo) ([]byte, error)) (*t
 		Layers:        layerInfosToStrings(layerInfos),
 		LayersData:    imgInspectLayersFromLayerInfos(layerInfos),
 		Author:        s2.Author,
+		Comment:       comment,
 	}
 	if s2.Config != nil {
 		i.Labels = s2.Config.Labels
diff --git a/manifest/oci.go b/manifest/oci.go
index 6d5acb45d..1ced0f222 100644
--- a/manifest/oci.go
+++ b/manifest/oci.go
@@ -218,10 +218,16 @@ func (m *OCI1) Inspect(configGetter func(types.BlobInfo) ([]byte, error)) (*type
 	if err := json.Unmarshal(config, d1); err != nil {
 		return nil, err
 	}
+	comment := d1.Comment
+	if len(v1.History) > 0 && len(comment) == 0 {
+		comment = v1.History[len(v1.History)-1].Comment
+	}
+
 	layerInfos := m.LayerInfos()
 	i := &types.ImageInspectInfo{
 		Tag:           "",
 		Created:       v1.Created,
+		Comment:       comment,
 		DockerVersion: d1.DockerVersion,
 		Labels:        v1.Config.Labels,
 		Architecture:  v1.Architecture,
diff --git a/types/types.go b/types/types.go
index 180a98c5b..9bd180626 100644
--- a/types/types.go
+++ b/types/types.go
@@ -469,6 +469,7 @@ type ImageInspectInfo struct {
 	Tag           string
 	Created       *time.Time
 	DockerVersion string
+	Comment       string
 	Labels        map[string]string
 	Architecture  string
 	Variant       string