chore(deps): update docker/build-push-action action to v6 (#18)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
|
[docker/build-push-action](https://redirect.github.com/docker/build-push-action)
| action | major | `v5` -> `v6` |

---

### Release Notes

<details>
<summary>docker/build-push-action (docker/build-push-action)</summary>

###
[`v6`](https://redirect.github.com/docker/build-push-action/compare/v5...v6)

[Compare
Source](https://redirect.github.com/docker/build-push-action/compare/v5...v6)

</details>

---

### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined),
Automerge - At any time (no schedule defined).

🚦 **Automerge**: Disabled by config. Please merge this manually once you
are satisfied.

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the
rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update
again.

---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
this box

---

This PR was generated by [Mend Renovate](https://mend.io/renovate/).
View the [repository job
log](https://developer.mend.io/github/voxxit/dockerfiles).

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Author: voxxit

.github/workflows/docker-build.yml

@@ -39,7 +39,7 @@ jobs:
           password: ${{ secrets.DOCKER_PASSWORD }}
 
       - name: Build and push
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           context: ./${{ matrix.image }}
           push: ${{ github.event_name != 'pull_request' }}
@@ -70,7 +70,7 @@ jobs:
           password: ${{ secrets.DOCKER_PASSWORD }}
 
       - name: Build and push
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           context: ./${{ matrix.image }}
           push: ${{ github.event_name != 'pull_request' }}
@@ -103,7 +103,7 @@ jobs:
           password: ${{ secrets.DOCKER_PASSWORD }}
 
       - name: Build and push
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           context: ./${{ matrix.image }}
           push: ${{ github.event_name != 'pull_request' }}
@@ -134,7 +134,7 @@ jobs:
           password: ${{ secrets.DOCKER_PASSWORD }}
 
       - name: Build and push
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           context: ./${{ matrix.image }}
           push: ${{ github.event_name != 'pull_request' }}

.github/workflows/rails-docker-build.yml

@@ -49,7 +49,7 @@ jobs:
             type=raw,value=latest,enable=${{ matrix.is-latest == true }}
 
       - name: Build and push
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           context: ./rails/${{ matrix.rails-version }}
           push: ${{ github.event_name != 'pull_request' }}

rails/6/Dockerfile

@@ -1,14 +1,14 @@
-FROM alpine:3.16
+FROM alpine:3.21
 
+# Install required packages including OpenSSL
 RUN apk add --no-cache \
   bash make nodejs gcc g++ libc-dev git ruby libxml2-dev libxslt-dev \
-  libffi-dev yaml-dev openssl-dev zlib-dev readline-dev linux-headers \
+  libffi-dev yaml-dev openssl openssl-dev zlib-dev readline-dev linux-headers \
   && mkdir -p /usr/src/app \
   && git clone https://github.com/postmodern/ruby-install /usr/src/ruby-install \
   && cd /usr/src/ruby-install \
   && make install \
-  && ruby-install --system ruby 3.0.6 -- --disable-install-rdoc \
-  --with-openssl-dir=/usr \
+  && ruby-install --system ruby 3.1.2 -- --disable-install-rdoc --with-openssl-dir=/usr \
   && gem install 'bundler:2.2.33' 'rails:6.1.7.10' \
   && bundle config --global build.nokogiri --use-system-libraries \
   && apk del ruby \
@@ -25,4 +25,4 @@ ONBUILD COPY . /usr/src/app
 
 EXPOSE 3000/tcp
 
-CMD ["bundle", "exec", "rails", "server", "-b", "0.0.0.0"] 
+CMD ["bundle", "exec", "rails", "server", "-b", "0.0.0.0"]

rails/7/Dockerfile

@@ -1,14 +1,14 @@
 FROM alpine:3.21
 
+# Install required packages including OpenSSL
 RUN apk add --no-cache \
   bash make nodejs gcc g++ libc-dev git ruby libxml2-dev libxslt-dev \
-  libffi-dev yaml-dev openssl-dev zlib-dev readline-dev linux-headers \
+  libffi-dev yaml-dev openssl openssl-dev zlib-dev readline-dev linux-headers \
   && mkdir -p /usr/src/app \
   && git clone https://github.com/postmodern/ruby-install /usr/src/ruby-install \
   && cd /usr/src/ruby-install \
   && make install \
-  && ruby-install --system ruby 3.3.0 -- --disable-install-rdoc \
-  --with-openssl-dir=/usr \
+  && ruby-install --system ruby 3.3.0 -- --disable-install-rdoc --with-openssl-dir=/usr \
   && gem install 'bundler:2.5.6' 'rails:7.2.2.1' \
   && bundle config --global build.nokogiri --use-system-libraries \
   && apk del ruby \
@@ -25,4 +25,4 @@ ONBUILD COPY . /usr/src/app
 
 EXPOSE 3000/tcp
 
-CMD ["bundle", "exec", "rails", "server", "-b", "0.0.0.0"] 
+CMD ["bundle", "exec", "rails", "server", "-b", "0.0.0.0"]

rails/8/Dockerfile

@@ -1,14 +1,14 @@
 FROM alpine:3.21
 
+# Install required packages including OpenSSL
 RUN apk add --no-cache \
   bash make nodejs gcc g++ libc-dev git ruby libxml2-dev libxslt-dev \
-  libffi-dev yaml-dev openssl-dev zlib-dev readline-dev linux-headers \
+  libffi-dev yaml-dev openssl openssl-dev zlib-dev readline-dev linux-headers \
   && mkdir -p /usr/src/app \
   && git clone https://github.com/postmodern/ruby-install /usr/src/ruby-install \
   && cd /usr/src/ruby-install \
   && make install \
-  && ruby-install --system ruby 3.3.0 -- --disable-install-rdoc \
-  --with-openssl-dir=/usr \
+  && ruby-install --system ruby 3.3.0 -- --disable-install-rdoc --with-openssl-dir=/usr \
   && gem install 'bundler:2.5.6' 'rails:8.0.2' \
   && bundle config --global build.nokogiri --use-system-libraries \
   && apk del ruby \
@@ -25,4 +25,4 @@ ONBUILD COPY . /usr/src/app
 
 EXPOSE 3000/tcp
 
-CMD ["bundle", "exec", "rails", "server", "-b", "0.0.0.0"] 
+CMD ["bundle", "exec", "rails", "server", "-b", "0.0.0.0"]