docker-build.yml

name: Build Docker Images

on:
  push:
    # We only want to build on tags--if we include branches, we build twice.
    # branches:
    #   - main
    #   - alpha
    #   - beta
    tags:
      - v*

jobs:
  build:
    name: Build Docker Images
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      # https://docs.docker.com/build/ci/github-actions/manage-tags-labels/
      # https://github.com/docker/metadata-action#tags-input
      # https://docs.github.com/en/actions/learn-github-actions/contexts#github-context

      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: |
            photostructure/server
            ghcr.io/photostructure/server
          flavor: |
            latest=false
          # https://specs.opencontainers.org/image-spec/annotations/#pre-defined-annotation-keys
          labels: |
            org.opencontainers.image.title="PhotoStructure"
            org.opencontainers.image.description="Your new home for all your photos and videos"
            org.opencontainers.image.licenses="SEE LICENSE IN LICENSE.md"
            org.opencontainers.image.url="https://photostructure.com/"
            org.opencontainers.image.documentation="https://photostructure.com/server/photostructure-for-docker/"
          tags: |
            # always include the full semver (v1.2.3-alpha.1)
            type=semver,pattern={{version}}
            # minimal git SHA tag
            type=sha
            # tag every build as a :prealpha build
            type=raw,value=prealpha
            # unless this is a prealpha build, update the :alpha tag
            type=raw,value=alpha,enable=${{ !contains(github.ref_name, 'prealpha') }}
            # always update the beta tag unless it's an *alpha build, so people on :beta get the beta and stable builds:
            type=raw,value=beta,enable=${{ !contains(github.ref_name, 'alpha') }}
            # if it's not *alpha or beta, update :stable, :latest, and version tags.
            type=raw,value=stable,enable=${{ !contains(github.ref_name, 'alpha') && !contains(github.ref_name, 'beta') }}
            type=raw,value=latest,enable=${{ !contains(github.ref_name, 'alpha') && !contains(github.ref_name, 'beta') }}
            type=semver,pattern=v{{major}},enable=${{ !contains(github.ref_name, 'alpha') && !contains(github.ref_name, 'beta') }}
            type=semver,pattern=v{{major}}.{{minor}},enable=${{ !contains(github.ref_name, 'alpha') && !contains(github.ref_name, 'beta') }}

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3
        with:
          platforms: arm64

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

      - name: Log in to Docker Hub
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v3
        with:
          registry: docker.io
          username: ${{ secrets.DOCKERHUB_USER }}
          password: ${{ secrets.DOCKERHUB_PASS }}

      - name: Log in to GitHub Container Registry
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}
  
      - name: Build and push
        uses: docker/build-push-action@v4
        with:
          context: .
          platforms: linux/amd64,linux/arm64
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}