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mtaha pushed a commit to branch PG15
in repository https://gitbox.apache.org/repos/asf/age.git


The following commit(s) were added to refs/heads/PG15 by this push:
     new d7d34a20 Refactor Dockerfile to use multi-stage builds (#2004) (#2054)
d7d34a20 is described below

commit d7d34a201dcf17fd8a0aa9533b643a89a5f36f4a
Author: Shinya Kato <[email protected]>
AuthorDate: Wed Aug 21 00:18:32 2024 +0900

    Refactor Dockerfile to use multi-stage builds (#2004) (#2054)
    
    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
    ```
---
 docker/Dockerfile | 33 ++++++++++++++++++++++-----------
 1 file changed, 22 insertions(+), 11 deletions(-)

diff --git a/docker/Dockerfile b/docker/Dockerfile
index 45298538..6f8b69c8 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -16,23 +16,15 @@
 # limitations under the License.
 #
 
-FROM postgres:15
+# Build stage: Install necessary development tools for compilation and 
installation
+FROM postgres:15 AS build
 
 RUN apt-get update \
     && apt-get install -y --no-install-recommends --no-install-suggests \
        bison \
        build-essential \
        flex \
-       postgresql-server-dev-15 \
-       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-15
 
 COPY . /age
 
@@ -40,6 +32,25 @@ WORKDIR /age
 
 RUN make && make install
 
+
+# Final stage: Create a final image by copying the files created in the build 
stage
+FROM postgres:15
+
+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/15/lib/age.so /usr/lib/postgresql/15/lib/
+COPY --from=build /usr/share/postgresql/15/extension/age--1.5.0.sql 
/usr/share/postgresql/15/extension/
+COPY --from=build /usr/share/postgresql/15/extension/age.control 
/usr/share/postgresql/15/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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