build-publish-docker.yml

name: Build and Publish Docker Image
on:
  push:
    branches:
      - '**'
    tags:
      - "v*"
jobs:
  # define job to build and publish docker image
  build-and-push-docker-image:
    strategy:
      matrix:
        app: [admin-server, api-server, auth-server, image-server]
        include:
          - app: api-server
            build-target: release-with-packages
    name: '[${{ matrix.app }}] Build & push image'
    runs-on: ubuntu-latest
    outputs:
      image_tag: ${{ steps.image_output.outputs.image_tag }}
    env:
      IMAGE: '${{ github.repository_owner }}/${{ matrix.app }}'
      APP: ${{ matrix.app }}
      BUILD_TARGET: release
    steps:
      - name: Checkout code
        uses: actions/checkout@v3

      - if: ${{ matrix.build-target }}
        name: Set correct build target
        run: echo "BUILD_TARGET=${{ matrix.build-target}}" >> $GITHUB_ENV

      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.IMAGE }}
          tags: |
            # branch event
            type=ref,event=branch,suffix=-{{sha}}
            # tag event
            type=ref,event=tag

      - name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@v3

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build image and push to GitHub Container Registry
        id: docker_build
        uses: docker/build-push-action@v5
        with:
          context: .
          push: true
          tags: 'ghcr.io/${{ steps.meta.outputs.tags }}'
          build-args: |
            APP=${{ matrix.app }}

      - name: Add image output
        id: image_output
        run: echo "image_tag=${{ steps.meta.outputs.version }}" >> "$GITHUB_OUTPUT"

  display_images_in_action:
    name: Display images in Github Action
    runs-on: ubuntu-latest
    needs: build-and-push-docker-image
    steps:
      - name: Display images in Github Action
        run: |
          echo "**New images 🐳**
          
          | App | Image |
          |---|---|
          | admin-server | \`ghcr.io/${{ github.repository_owner}}/admin-server:${{ needs.build-and-push-docker-image.outputs.image_tag }}\` |
          | api-server | \`ghcr.io/${{ github.repository_owner}}/api-server:${{ needs.build-and-push-docker-image.outputs.image_tag }}\` |
          | auth-server | \`ghcr.io/${{ github.repository_owner}}/auth-server:${{ needs.build-and-push-docker-image.outputs.image_tag }}\` |
          | image-server | \`ghcr.io/${{ github.repository_owner}}/image-server:${{ needs.build-and-push-docker-image.outputs.image_tag }}\` |" >> $GITHUB_STEP_SUMMARY