docker-publish.yml

name: Docker

# This workflow uses actions that are not certified by GitHub.
# They are provided by a third-party and are governed by
# separate terms of service, privacy policy, and support
# documentation.

on:
  push:
    branches: [gh-images]
    # Publish semver tags as releases.
    tags: ["v*.*.*"]

env:
  REGISTRY: ghcr.io
  REGISTRY_WITH_PATH: ghcr.io/${{ github.repository_owner }}

jobs:
  build-push-image:
    strategy:
      matrix:
        image: [secrets, nginx, service, enketo]
        build_args: [""]
        flavor: [""]
        include:
          - image: nginx
            flavor: |
              prefix=oidc,onlatest=true
            build_args: |
              OIDC_ENABLED=true
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - name: Checkout submodules
        run: git submodule update -i
      - name: Log into registry ${{ env.REGISTRY }}
        if: github.event_name != 'pull_request'
        uses: docker/login-action@28218f9b04b4f3f62068d7b6ce6ca5b26e35336c
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Extract Docker metadata
        id: meta
        uses: docker/metadata-action@98669ae865ea3cffbcbaa878cf57c20bbf1c6c38
        with:
          images: ${{ env.REGISTRY_WITH_PATH }}/central-${{ matrix.image }}
          flavor: ${{ matrix.flavor }}
          # generate Docker tags based on the following events/attributes
          tags: |
            type=ref,event=branch
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}.{{hotfix}}
            type=semver,pattern={{major}}.{{minor}}
            type=semver,pattern={{major}}
            type=sha
      - name: Build and push ${{ matrix.image }} Docker image
        uses: docker/build-push-action@ad44023a93711e3deb337508980b4b5e9bcdc5dc
        with:
          file: ${{ matrix.image }}.dockerfile
          context: .
          build-args: ${{ matrix.build_args }}
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}