Extract docker initial setup into a separate image

.github/workflows/services-base.yml

@@ -0,0 +1,120 @@
+on:
+  push:
+    branches:
+      - 'main'
+    paths:
+      - .github/workflows/base-image.yml
+      - docker/base.Dockerfile
+  pull_request:
+    paths:
+      - .github/workflows/base-image.yml
+      - docker/base.Dockerfile
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: blockscout/services-base
+
+jobs:
+  check_tag:
+    name: Check tag existence
+    runs-on: ubuntu-latest
+    outputs:
+      tag: ${{ steps.get_image_tag.outputs.tag }}
+      is_new: ${{ steps.check_existence.outputs.is_new }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Get image tag
+        id: get_image_tag
+        env:
+          DOCKERFILE_PATH: "docker/base.Dockerfile"
+        run: |
+          CONTENT=$(cat $DOCKERFILE_PATH)
+    
+          nl=$'\n'
+
+          if [[ $CONTENT =~ ARG\ CARGO_CHEF_VERSION=([^$nl]+) ]]; then
+            CARGO_CHEF_TAG=${BASH_REMATCH[1]}
+          else
+            echo "Failed to extract CARGO_CHEF_TAG from Dockerfile"
+            exit 1
+          fi
+
+          if [[ $CONTENT =~ ARG\ PROTOC_VERSION=([^$nl]+) ]]; then
+            PROTOC_VERSION=${BASH_REMATCH[1]}
+          else
+            echo "Failed to extract PROTOC_VERSION from Dockerfile"
+            exit 1
+          fi
+
+          if [[ $CONTENT =~ ARG\ PROTOC_GEN_OPENAPIV2_VERSION=([^$nl]+) ]]; then
+            PROTOC_GEN_OPENAPIV2_VERSION=${BASH_REMATCH[1]}
+          else
+            echo "Failed to extract PROTOC_GEN_OPENAPIV2_VERSION from Dockerfile"
+            exit 1
+          fi
+
+          TAG=chef-${CARGO_CHEF_TAG}-protoc-${PROTOC_VERSION}-openapi-${PROTOC_GEN_OPENAPIV2_VERSION}
+          echo "TAG=$TAG"
+
+          # Save values to be available from the next steps
+          echo "tag=$TAG" >> $GITHUB_OUTPUT
+
+      - name: Check image tag exists
+        id: check_existence
+        env:
+          TAG: ${{ steps.get_image_tag.outputs.tag }}
+        run: |
+          TOKEN=$(echo ${{ secrets.GITHUB_TOKEN }} | base64)
+          EXISTING_TAGS=$(curl -H "Authorization: Bearer ${TOKEN}" https://ghcr.io/v2/${IMAGE_NAME}/tags/list)
+          
+          echo "Existing tags: ${EXISTING_TAGS}"
+          
+          if echo "${EXISTING_TAGS}" | jq -e "if has(\"tags\") then .tags else [] end | map(select(. == \"$TAG\")) | length > 0" > /dev/null; then
+            echo "There is already a pushed image with ${TAG} as tag. Skipping."
+            echo "is_new=false" >> $GITHUB_OUTPUT
+          else
+            echo "is_new=true" >> $GITHUB_OUTPUT
+          fi
+
+  build_and_push:
+    name: Build and push
+    needs:
+      - check_tag
+    if: needs.check_tag.outputs.is_new == 'true'
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata for Docker
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Build and push
+        uses: docker/build-push-action@v5
+        with:
+          context: "docker"
+          file: "docker/base.Dockerfile"
+          push: ${{ github.ref == 'refs/heads/main' }}
+          tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ needs.check_tag.outputs.tag }} , ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest
+          platforms: |
+            linux/amd64
+            linux/arm64/v8
+          labels: ${{ steps.meta.outputs.labels }}

docker/base.Dockerfile

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+ARG CARGO_CHEF_VERSION=0.1.62-rust-1.75-buster
+FROM lukemathwalker/cargo-chef:${CARGO_CHEF_VERSION}
+
+ARG PROTOC_VERSION=25.2
+ARG PROTOC_GEN_OPENAPIV2_VERSION=2.19.0
+
+RUN apt-get update && apt-get install -y curl wget unzip
+RUN wget https://github.com/protocolbuffers/protobuf/releases/download/v${PROTOC_VERSION}/protoc-${PROTOC_VERSION}-linux-x86_64.zip -O ./protoc.zip \
+          && unzip protoc.zip \
+          && mv ./include/* /usr/include/ \
+          && mv ./bin/protoc /usr/bin/protoc
+
+RUN wget https://github.com/grpc-ecosystem/grpc-gateway/releases/download/v${PROTOC_GEN_OPENAPIV2_VERSION}/protoc-gen-openapiv2-v${PROTOC_GEN_OPENAPIV2_VERSION}-linux-x86_64 -O ./protoc-gen-openapiv2 \
+          && chmod +x protoc-gen-openapiv2 \
+          && mv ./protoc-gen-openapiv2 /usr/bin/protoc-gen-openapiv2
+
+WORKDIR /app