Try to optimize pr-images workflow by caching Dockerfile.dev

Author: Athos Couto

.github/workflows/pr-images.yml

@@ -22,6 +22,9 @@ jobs:
         with:
           submodules: recursive
 
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
       - name: Log in to the Container registry
         uses: docker/login-action@f054a8b539a109f9f41c372932f1ae047eff08c9
         with:
@@ -36,9 +39,11 @@ jobs:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
 
       - name: Build and push Docker image
-        uses: docker/build-push-action@ad44023a93711e3deb337508980b4b5e9bcdc5dc
+        uses: docker/build-push-action@v5
         with:
-          context: .
           push: true
+          file: Dockerfile.dev
           tags: ${{ steps.meta.outputs.tags }}-${{ github.event.pull_request.head.sha }}
           labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=registry,ref=user/app:buildcache
+          cache-to: type=registry,ref=user/app:buildcache,mode=max

Dockerfile.dev

@@ -3,8 +3,8 @@ FROM rust:slim-bullseye as builder
 RUN apt update
 
 RUN apt install -y libclang-dev clang \
-        build-essential tcl protobuf-compiler file \
-        libssl-dev pkg-config
+    build-essential tcl protobuf-compiler file \
+    libssl-dev pkg-config
 
 RUN apt clean
 RUN update-ca-certificates
@@ -20,20 +20,21 @@ RUN --mount=type=cache,target=/usr/local/cargo/registry \
 
 # runtime
 FROM debian:bullseye-slim
-RUN apt update
-
-COPY --from=builder /sqld/bin /bin/sqld
-COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
-COPY docker-entrypoint.sh /usr/local/bin
 
+EXPOSE 5001 8080
 VOLUME [ "/var/lib/sqld" ]
 
+RUN apt update
+
 RUN groupadd --system --gid 666 sqld
 RUN adduser --system --home /var/lib/sqld --uid 666 --gid 666 sqld
 USER sqld
 WORKDIR /var/lib/sqld
 
-EXPOSE 5001 8080
+COPY docker-entrypoint.sh /usr/local/bin
+COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
+
+COPY --from=builder /sqld/bin /bin/sqld
 
 ENTRYPOINT ["/usr/local/bin/docker-entrypoint.sh"]
 CMD ["/bin/sqld"]