docker-publish.yml

name: Docker

on:
  pull_request:
  push:
    branches: master

env:
  RELEASE_BRANCH: master
  REGISTRY: ghcr.io
  IMAGE_NAME: ops-base
  PLATFORMS: "linux/amd64,linux/arm64"

jobs:
  test:
    runs-on: ubuntu-latest
    if: github.ref != 'refs/heads/master'
    steps:
      - uses: actions/checkout@v4

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

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}
          tags: |
            # set latest tag for main branch
            type=raw,value=latest,enable=${{ github.ref == format('refs/heads/{0}', env.RELEASE_BRANCH) }}
            # set sha tag
            type=sha,format=long,prefix=

      - name: Build Docker image
        uses: docker/build-push-action@v5
        with:
          load: true
          push: false
          context: .
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}

  deploy:
    runs-on: ubuntu-latest
    if: contains('["refs/heads/main", "refs/heads/master"]', github.ref)
    steps:
      - uses: actions/checkout@v4

      # We use commit sha here to be as safe as possible with credentials.
      - name: Log in to the Container registry
        uses: docker/login-action@v3.3.0
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

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

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}
          tags: |
            # set latest tag for main branch
            type=raw,value=latest,enable=${{ github.ref == format('refs/heads/{0}', env.RELEASE_BRANCH) }}
            # set sha tag
            type=sha,format=long,prefix=

      - name: Build Docker image
        uses: docker/build-push-action@v5
        with:
          push: true
          context: .
          platforms: ${{ env.PLATFORMS }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}