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Refactor Dockerfile to use multi-stage builds (#2004) (#2052)
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Refactored Dockerfile to use multi-stage builds for reduction image size.

The installation of the packages required for the build and the build process are carried out at the build stage. The built binaries are then placed in the final image.

This changes has reduces the image size about 1/3.
```
$ docker image ls apache/age
REPOSITORY   TAG       IMAGE ID       CREATED          SIZE
apache/age   tmp       5ffd0b539a88   22 minutes ago   458MB <-- New image
apache/age   latest    fb44b5789198   2 months ago     1.5GB <-- Original image
```
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shinyaaa authored Aug 20, 2024
1 parent 2f5b2d0 commit 148cdfd
Showing 1 changed file with 22 additions and 11 deletions.
33 changes: 22 additions & 11 deletions docker/Dockerfile
Original file line number Diff line number Diff line change
Expand Up @@ -16,30 +16,41 @@
# limitations under the License.
#

FROM postgres:13
# Build stage: Install necessary development tools for compilation and installation
FROM postgres:13 AS build

RUN apt-get update \
&& apt-get install -y --no-install-recommends --no-install-suggests \
bison \
build-essential \
flex \
postgresql-server-dev-13 \
locales

ENV LANG=en_US.UTF-8
ENV LC_COLLATE=en_US.UTF-8
ENV LC_CTYPE=en_US.UTF-8

RUN echo "en_US.UTF-8 UTF-8" > /etc/locale.gen \
&& locale-gen \
&& update-locale LANG=en_US.UTF-8
postgresql-server-dev-13

COPY . /age

WORKDIR /age

RUN make && make install


# Final stage: Create a final image by copying the files created in the build stage
FROM postgres:13

RUN apt-get update \
&& apt-get install -y --no-install-recommends --no-install-suggests \
locales

RUN echo "en_US.UTF-8 UTF-8" > /etc/locale.gen \
&& locale-gen \
&& update-locale LANG=en_US.UTF-8

ENV LANG=en_US.UTF-8
ENV LC_COLLATE=en_US.UTF-8
ENV LC_CTYPE=en_US.UTF-8

COPY --from=build /usr/lib/postgresql/13/lib/age.so /usr/lib/postgresql/13/lib/
COPY --from=build /usr/share/postgresql/13/extension/age--1.5.0.sql /usr/share/postgresql/13/extension/
COPY --from=build /usr/share/postgresql/13/extension/age.control /usr/share/postgresql/13/extension/
COPY docker/docker-entrypoint-initdb.d/00-create-extension-age.sql /docker-entrypoint-initdb.d/00-create-extension-age.sql

CMD ["postgres", "-c", "shared_preload_libraries=age"]

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