build_docker_image.yml

name: Build App component image

on:
  release:
    types: [ published ]
  workflow_dispatch:
    inputs:
      tag:
        description: Image tag
        required: true

jobs:
  build:
    runs-on: ubuntu-latest

    # see https://github.com/docker/build-push-action
    steps:
      # Setup (see https://github.com/docker/build-push-action)
      - name: Checkout
        uses: actions/checkout@v3

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v2

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2

      - name: Login to DockerHub
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      # Publish to Docker hub
      - name: Store version number (on release)
        if: ${{ github.event_name == 'release' }}
        id: version
        # GITHUB_REF looks like "refs/tags/0.3.1" - we need to extract the actual version without the v prefix
        run: echo "number=${GITHUB_REF##*/}" >> $GITHUB_OUTPUT


      # Caches
      - name: Cache var-cache-apt
        id: cache-var-cache-apt
        uses: actions/cache@v3
        with:
          path: var-cache-apt
          key: var-cache-apt-${{ hashFiles('Dockerfile') }}

      - name: Cache var-lib-apt
        id: cache-var-lib-apt
        uses: actions/cache@v3
        with:
          path: var-lib-apt
          key: var-lib-apt-${{ hashFiles('Dockerfile') }}
      
      - name: Cache root-.cache
        id: cache-root-cache
        uses: actions/cache@v3
        with:
          path: root-.cache
          key: root-.cache-${{ hashFiles('Dockerfile') }}

      - name: inject var-cache-apt into docker
        uses: reproducible-containers/buildkit-cache-dance@v2.1.4
        with:
          cache-source: var-cache-apt
          cache-target: /var/cache/apt
          skip-extraction: ${{ steps.cache-var-cache-apt.outputs.cache-hit }}

      - name: inject var-lib-apt into docker
        uses: reproducible-containers/buildkit-cache-dance@v2.1.4
        with:
          cache-source: var-lib-apt
          cache-target: /var/lib/apt
          skip-extraction: ${{ steps.cache-var-lib-apt.outputs.cache-hit }}
      
      - name: inject root-.cache into docker
        uses: reproducible-containers/buildkit-cache-dance@v2.1.4
        with:
          cache-source: root-.cache
          cache-target: /root/.cache
          skip-extraction: ${{ steps.cache-root-cache.outputs.cache-hit }}

      # Release push (with a tag)
      - name: Build and push (on release)
        if: ${{ github.event_name == 'release' }}
        uses: docker/build-push-action@v4
        with:
          push: true
          context: .
          target: app
          file: Dockerfile
          cache-from: type=registry,ref=blsq/openhexa-app:buildcache
          cache-to: type=registry,ref=blsq/openhexa-app:buildcache,mode=max
          tags: |
            blsq/openhexa-app:${{ steps.version.outputs.number }}
            blsq/openhexa-app:latest

      # Manual push
      - name: Build and push (manual)
        if: ${{ github.event_name == 'workflow_dispatch' }}
        uses: docker/build-push-action@v4
        with:
          push: true
          context: .
          target: app
          file: Dockerfile
          cache-from: type=registry,ref=blsq/openhexa-app:buildcache
          cache-to: type=registry,ref=blsq/openhexa-app:buildcache,mode=max
          tags: |
            blsq/openhexa-app:${{ github.event.inputs.tag }}
            blsq/openhexa-app:latest