chore: use bind mount for buildcache instead of copy step (#439)

* chore: use bind mount for buildcache instead of copy step

Author: pcnc

.github/workflows/dockerhub-release.yml

@@ -29,6 +29,8 @@ jobs:
     outputs:
       image_digest: ${{ steps.build.outputs.digest }}
     steps:
+      - uses: actions/checkout@v3
+
       - id: meta
         uses: docker/metadata-action@v4
         with:
@@ -41,7 +43,6 @@ jobs:
         run: |
           docker context create builders
 
-
       - uses: docker/setup-buildx-action@v2
         with:
           endpoint: builders
@@ -51,6 +52,14 @@ jobs:
           username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_PASSWORD }}
 
+      - id: copy-cache
+        name: Copy Buildcache
+        run: |
+          docker rm -f buildcache
+          docker create --name buildcache public.ecr.aws/t3w2s2c9/postgres-buildcache:latest ls
+          docker cp buildcache:/ccache/. ./docker/cache
+          docker rm -f buildcache
+
       - id: build
         uses: docker/build-push-action@v3
         with:
@@ -94,6 +103,14 @@ jobs:
           username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_PASSWORD }}
 
+      - id: copy-cache
+        name: Copy Buildcache
+        run: |
+          docker rm -f buildcache
+          docker create --name buildcache public.ecr.aws/t3w2s2c9/postgres-buildcache:latest ls
+          docker cp buildcache:/ccache/. ./docker/cache/
+          docker rm -f buildcache
+
       - uses: docker/setup-buildx-action@v2
         with:
           driver: docker

.gitignore

@@ -2,3 +2,4 @@
 .python-version
 venv/
 *.swp
+docker/cache/

Dockerfile

@@ -14,9 +14,8 @@ RUN apt update && \
     apt install -y ansible sudo git ccache && \
     apt -y -o Dpkg::Options::="--force-confdef" -o Dpkg::Options::="--force-confold" upgrade
 
-COPY --from=public.ecr.aws/t3w2s2c9/postgres-buildcache:latest /ccache/ /ccache/
-
-RUN ccache -s && \
+RUN --mount=type=bind,source=docker/cache,target=/ccache,rw \
+    ccache -s && \
     cd /tmp/ansible && \
     ansible-playbook -e '{"async_mode": false}' playbook-docker.yml && \
     apt -y autoremove && \
@@ -25,7 +24,7 @@ RUN ccache -s && \
     apt install -y default-jdk-headless locales && \
     sed -i '/en_US.UTF-8/s/^# //g' /etc/locale.gen && \
     locale-gen && \
-    rm -rf /tmp/* /var/lib/apt/lists/* /var/tmp/* /ccache
+    rm -rf /tmp/* /var/lib/apt/lists/* /var/tmp/* 
 
 ENV LANGUAGE en_US.UTF-8
 ENV LANG en_US.UTF-8