docker-img.yml

name: Build and Publish Docker Image

on:
  push:
    branches: [ "main" ]
  pull_request:
    branches: [ "main" ]
  workflow_dispatch:

jobs:
  determine-version:
    name: "Determine Version"
    runs-on: ubuntu-latest

    outputs:
      semVer: ${{ steps.gitversion.outputs.semVer }}

    steps:
      - name: Checkout Repository
        uses: actions/checkout@v3
        with:
          fetch-depth: '0'

      - name: Install GitVersion
        uses: gittools/actions/gitversion/setup@v0.9.13
        with:
          versionSpec: '5.x'

      - name: Determine Version
        uses: gittools/actions/gitversion/execute@v0.9.13
        id: gitversion
        with:
          useConfigFile: true

  docker-build-and-push:
    name: "Build and Publish Docker Image"
    runs-on: ubuntu-latest
    needs: determine-version

    env:
      SEMVER: ${{ needs.determine-version.outputs.semVer }}

    steps:
      - name: Set Image Info
        run: |
          echo "::set-output name=tag::$(date +'%Y-%m-%d')-${{ github.run_number }}"
          echo "::set-output name=created::$(date --rfc-3339=seconds | sed 's/ /T/')"
        id: image_info

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

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

      - name: Login to Github Packages
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.github_token }}

      - name: Build and export to Docker
        uses: docker/build-push-action@v3
        with:
          load: true
          tags: img-template:${{ env.SEMVER }}

      - name: Test
        run: |
          docker run --rm img-template:${{ env.SEMVER }}
          docker save img-template:${{ env.SEMVER }} > /tmp/img-template.tar

      - name: Upload artifact
        uses: actions/upload-artifact@v3
        with:
          name: img-template-${{ env.SEMVER }}
          path: /tmp/img-template.tar

      - name: Build image and push to GitHub Container Registry
        uses: docker/build-push-action@v3
        with:
          platforms: linux/amd64
          tags: |
            ghcr.io/fr-platform/img-template:latest
            ghcr.io/fr-platform/img-template:${{ env.SEMVER }}
          labels: |
            org.opencontainers.image.revision=${{ github.sha }}
            org.opencontainers.image.version=${{ env.SEMVER }}
            org.opencontainers.image.created=${{ steps.image_info.outputs.created }}
          push: ${{ github.ref == 'refs/heads/main' }}
          cache-from: type=gha
          cache-to: type=gha,mode=max