Build multiarch docker images on tag

.github/workflows/protobuf-dockerimage.yml

@@ -14,21 +14,45 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
-    - name: Build the Docker image
-      run: docker build protobuf/. -t build-protobuf
-    - name: Push the Docker image
-      if: github.ref == 'refs/heads/main' || startsWith(github.ref, 'refs/tags/')
-      run: |
-        echo "${{ secrets.DOCKER_PASSWORD }}" | docker login -u "${{ secrets.DOCKER_USERNAME }}" --password-stdin
-        function tag_and_push {
-          docker tag build-protobuf "otel/build-protobuf:${1}" && docker push "otel/build-protobuf:${1}"
-        }
-        if [[ "${GITHUB_REF}" == "refs/heads/main" ]]; then
-          tag_and_push "latest"
-        elif [[ "${GITHUB_REF}" =~ refs/tags/v[0-9]+\.[0-9]+\.[0-9]+ ]]; then
-            TAG="${GITHUB_REF#"refs/tags/v"}"
-            tag_and_push "${TAG}"
-        else
-          tag_and_push "${GITHUB_REF#"refs/tags/"}"
-        fi
+    - name: Checkout
+      uses: actions/checkout@v3
+
+    # https://github.com/docker/setup-qemu-action
+    - name: Set up QEMU
+      uses: docker/setup-qemu-action@v1
+
+    # https://github.com/docker/setup-buildx-action
+    - name: Set up Docker Buildx
+      id: buildx
+      uses: docker/setup-buildx-action@v1
+
+    # https://github.com/docker/metadata-action
+    - name: Docker meta
+      id: meta
+      uses: docker/metadata-action@v4
+      with:
+        # list of Docker images to use as base name for tags
+        images: |
+          otel/build-protobuf
+        # generate Docker tags based on the following events/attributes
+        tags: |
+          type=ref,event=tag
+          type=semver,pattern={{version}}
+
+    # https://github.com/docker/login-action
+    - name: Login to DockerHub
+      if: github.event_name != 'pull_request'
+      uses: docker/login-action@v1
+      with:
+        username: ${{ secrets.DOCKER_USERNAME }}
+        password: ${{ secrets.DOCKER_PASSWORD }}
+
+    # https://github.com/docker/build-push-action
+    - name: Build and push
+      uses: docker/build-push-action@v2
+      with:
+        context: "{{defaultContext}}:protobuf"
+        platforms: linux/arm64
+        push: ${{ github.event_name != 'pull_request' }}
+        tags: ${{ steps.meta.outputs.tags }}
+        labels: ${{ steps.meta.outputs.labels }}

protobuf/Dockerfile

@@ -15,8 +15,10 @@ ARG GRPC_GATEWAY_VERSION=2.6.0
 ARG PROTOC_GEN_PARQUET_VERSION=0.4.3
 ARG UPX_VERSION=3.96
 
-
 FROM alpine:${ALPINE_VERSION} as protoc_builder
+ARG TARGETPLATFORM
+RUN echo "I'm building for $TARGETPLATFORM"
+
 RUN apk add --no-cache build-base curl automake autoconf libtool git zlib-dev linux-headers cmake ninja
 
 RUN mkdir -p /out
@@ -36,7 +38,7 @@ RUN git clone --recursive --depth=1 -b v${GRPC_VERSION} https://github.com/grpc/
         ../.. && \
     cmake --build . --target plugins && \
     cmake --build . --target install && \
-    DESTDIR=/out cmake --build . --target install 
+    DESTDIR=/out cmake --build . --target install
 
 ARG PROTOBUF_C_VERSION
 RUN mkdir -p /protobuf-c && \
@@ -102,12 +104,12 @@ RUN mkdir -p ${GOPATH}/src/github.com/gogo/protobuf && \
     install -D $(find ./protobuf/google/protobuf -name '*.proto') -t /out/usr/include/github.com/gogo/protobuf/protobuf/google/protobuf && \
     install -D ./gogoproto/gogo.proto /out/usr/include/github.com/gogo/protobuf/gogoproto/gogo.proto
 
-ARG PROTOC_GEN_LINT_VERSION
+ARG PROTOC_GEN_LINT_VERSION TARGETARCH
 RUN cd / && \
-    curl -sSLO https://github.com/ckaznocha/protoc-gen-lint/releases/download/v${PROTOC_GEN_LINT_VERSION}/protoc-gen-lint_linux_amd64.zip && \
+    curl -sSLO https://github.com/ckaznocha/protoc-gen-lint/releases/download/v${PROTOC_GEN_LINT_VERSION}/protoc-gen-lint_linux_${TARGETARCH}.zip && \
     mkdir -p /protoc-gen-lint-out && \
     cd /protoc-gen-lint-out && \
-    unzip -q /protoc-gen-lint_linux_amd64.zip && \
+    unzip -q /protoc-gen-lint_linux_${TARGETARCH}.zip && \
     install -Ds /protoc-gen-lint-out/protoc-gen-lint /out/usr/bin/protoc-gen-lint
 
 ARG GRPC_GATEWAY_VERSION
@@ -133,8 +135,8 @@ RUN mkdir -p ${GOPATH}/src/github.com/atoulme/protoc-gen-parquet && \
 FROM alpine:${ALPINE_VERSION} as packer
 RUN apk add --no-cache curl
 
-ARG UPX_VERSION
-RUN mkdir -p /upx && curl -sSL https://github.com/upx/upx/releases/download/v${UPX_VERSION}/upx-${UPX_VERSION}-amd64_linux.tar.xz | tar xJ --strip 1 -C /upx && \
+ARG UPX_VERSION TARGETARCH
+RUN mkdir -p /upx && curl -sSL https://github.com/upx/upx/releases/download/v${UPX_VERSION}/upx-${UPX_VERSION}-${TARGETARCH}_linux.tar.xz | tar xJ --strip 1 -C /upx && \
     install -D /upx/upx /usr/local/bin/upx
 
 # Use all output including headers and protoc from protoc_builder