docker.yml

name: Docker

on:
  push:
      paths-ignore:
          - 'docs/**'
      branches-ignore: ["dependabot/**"]
  pull_request:
      paths-ignore:
          - 'docs/**'
  push:
    tags:
      - '*.*.*'
  workflow_dispatch:


concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref || github.ref }}
  cancel-in-progress: true

permissions:
  contents: read

# adapted from https://raw.githubusercontent.com/stefanprodan/podinfo/master/.github/workflows/release.yml
#
jobs:
  containers:
    name: ${{ matrix.container }} Container - ${{ matrix.runner }}
    strategy:
      matrix:
        container: ["proj"]
        runner: [ubuntu-24.04, ubuntu-24.04-arm]
        dockerfile: ["./Dockerfile"]
        include:
          - container: "proj-docs"
            dockerfile: "./docs/docbuild/Dockerfile"
            runner: "ubuntu-24.04"
    runs-on: ${{ matrix.runner }}
    permissions:
      contents: read
      packages: write
      attestations: write
      id-token: write
    env:
      # Only push proj-docs package for master
      PUSH_PACKAGES: ${{ github.repository_owner == 'OSGeo' && github.event_name != 'pull_request' && (matrix.container == 'proj' || (matrix.container == 'proj-docs' && github.ref_name == 'master')) }}
      CONTAINER: ${{ matrix.container }}
    steps:
      - uses: actions/checkout@v6
      - name: Lint
        id: lint
        run: |
          echo "are we pushing packages" ${{ env.PUSH_PACKAGES }}
          echo "event_name" ${{ github.event_name }}
          echo "ref" ${{ github.ref }}
      - name: Set up Docker
        uses: docker/setup-docker-action@v4
        with:
          daemon-config: |
            {
              "debug": false,
              "features": {
                "containerd-snapshotter": true  
              }
            }
      - name: Setup Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@v3
        with:
          version: latest

      - name: Login to GitHub Container Registry
        if: env.PUSH_PACKAGES == 'true'
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GHCR_TOKEN }}
      - name: Login to Docker Hub
        if: env.PUSH_PACKAGES == 'true'
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}
      - name: Extract container metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: |
            ghcr.io/osgeo/${{ matrix.container }}
            docker.io/osgeo/${{ matrix.container }}
          tags: |
            type=ref,event=branch
            type=ref,event=pr
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
        env:
          DOCKER_METADATA_ANNOTATIONS_LEVELS: manifest,index
      - name: Prepare
        id: prep
        run: |
          VERSION=sha-${GITHUB_SHA::8}
          if [[ $GITHUB_REF == refs/tags/* ]]; then
            VERSION=${GITHUB_REF/refs\/tags\//}
            # 9.8.0-x --> 9.8.0
            VERSION=$(echo $VERSION | sed "s/-.*//" )
          fi
          echo "BUILD_DATE=$(date -u +'%Y-%m-%dT%H:%M:%SZ')" >> $GITHUB_OUTPUT
          echo "VERSION=${VERSION}" >> $GITHUB_OUTPUT
            runner=${{ matrix.runner }}
          if [[ "$runner" == *"-arm" ]]; then
            ARCH=arm64
          else
            ARCH=amd64
          fi
          echo "ARCH=$ARCH" >> $GITHUB_OUTPUT

      - name: Build docs image
        uses: docker/build-push-action@v6
        if: matrix.container == 'proj-docs'
        with:
          push: ${{ env.PUSH_PACKAGES == 'true' }}
          builder: ${{ steps.buildx.outputs.name }}
          context: .
          file: ${{ matrix.dockerfile }}
          platforms: linux/amd64
          tags: |
            docker.io/osgeo/${{ matrix.container }}:${{ steps.prep.outputs.VERSION }}
            docker.io/osgeo/${{ matrix.container }}:latest
            ghcr.io/osgeo/${{ matrix.container }}:${{ steps.prep.outputs.VERSION }}
            ghcr.io/osgeo/${{ matrix.container }}:latest
          labels: |
            org.opencontainers.image.title=${{ github.event.repository.name }}
            org.opencontainers.image.description=${{ github.event.repository.description }}
            org.opencontainers.image.source=${{ github.event.repository.html_url }}
            org.opencontainers.image.url=${{ github.event.repository.html_url }}
            org.opencontainers.image.revision=${{ github.sha }}
            org.opencontainers.image.version=${{ steps.prep.outputs.VERSION }}
            org.opencontainers.image.created=${{ steps.prep.outputs.BUILD_DATE }}

      - name: Prepare tags
        id: prep_tags
        run: |
          TAGS="docker.io/osgeo/${{ matrix.container }}:${{ steps.prep.outputs.VERSION }}-${{ steps.prep.outputs.ARCH }}
          ghcr.io/osgeo/${{ matrix.container }}:${{ steps.prep.outputs.VERSION }}-${{ steps.prep.outputs.ARCH }}"
          if [ "${GITHUB_REF}" = "refs/heads/master" ]; then
            TAGS="$TAGS
            docker.io/osgeo/${{ matrix.container }}:latest-${{ steps.prep.outputs.ARCH }}
            ghcr.io/osgeo/${{ matrix.container }}:latest"-${{ steps.prep.outputs.ARCH }}"
          fi
          echo "tags<<EOF" >> $GITHUB_OUTPUT
          echo "$TAGS" >> $GITHUB_OUTPUT
          echo "EOF" >> $GITHUB_OUTPUT

      - name: Build image
        uses: docker/build-push-action@v6
        id: push
        if: matrix.container == 'proj'
        with:
          push: ${{ env.PUSH_PACKAGES == 'true' }}
          builder: ${{ steps.buildx.outputs.name }}
          context: .
          file: ${{ matrix.dockerfile }}
          platforms: linux/${{ steps.prep.outputs.ARCH }}
          tags: |
            tags: ${{ steps.prep_tags.outputs.tags }}
          labels: |
            org.opencontainers.image.title=${{ github.event.repository.name }}
            org.opencontainers.image.description=${{ github.event.repository.description }}
            org.opencontainers.image.source=${{ github.event.repository.html_url }}
            org.opencontainers.image.url=${{ github.event.repository.html_url }}
            org.opencontainers.image.revision=${{ github.sha }}
            org.opencontainers.image.version=${{ steps.prep.outputs.VERSION }}
            org.opencontainers.image.created=${{ steps.prep.outputs.BUILD_DATE }}
      - name: Generate artifact attestation
        if: ${{ env.PUSH_PACKAGES == 'true' && matrix.container  == 'proj' }}
        uses: actions/attest-build-provenance@v3
        with:
          subject-name: ghcr.io/osgeo/proj
          subject-digest: ${{ steps.push.outputs.digest }}
          push-to-registry: ${{ env.PUSH_PACKAGES == 'true' }}

  create-manifest:

    permissions:
      contents: read
      packages: write
      attestations: write
      id-token: write
    runs-on: ubuntu-latest
    env:
      PUSH_PACKAGES: ${{ github.repository_owner == 'OSGeo' && github.event_name != 'pull_request' }}
    needs: containers
    steps:
      - name: Login to GitHub Container Registry
        uses: docker/login-action@v3
        if: env.PUSH_PACKAGES == 'true'
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Login to Docker Hub
        uses: docker/login-action@v3
        if: env.PUSH_PACKAGES == 'true'
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Prepare
        id: prep
        run: |
          VERSION=sha-${GITHUB_SHA::8}
          if [[ $GITHUB_REF == refs/tags/* ]]; then
            VERSION=${GITHUB_REF/refs\/tags\//}
            # 9.8.0-x --> 9.8.0
            VERSION=$(echo $VERSION | sed "s/-.*//" )
          fi
          echo "VERSION=${VERSION}" >> $GITHUB_OUTPUT

      - name: Create and push multi-platform manifest
        if: env.PUSH_PACKAGES == 'true'
        run: |
          docker buildx imagetools create \
              -t ghcr.io/osgeo/proj:${{ steps.prep.outputs.VERSION }} \
              ghcr.io/osgeo/proj:${{ steps.prep.outputs.VERSION }}-amd64 \
              ghcr.io/osgeo/proj:${{ steps.prep.outputs.VERSION }}-arm64

          docker buildx imagetools create \
              -t osgeo/proj:${{ steps.prep.outputs.VERSION }} \
              osgeo/proj:${{ steps.prep.outputs.VERSION }}-amd64 \
              osgeo/proj:${{ steps.prep.outputs.VERSION }}-arm64

          if [ "${GITHUB_REF}" = "refs/heads/master" ]; then
              docker buildx imagetools create \
                  -t ghcr.io/osgeo/proj:latest \
                  ghcr.io/osgeo/proj:latest-amd64 \
                  ghcr.io/osgeo/proj:latest-arm64

              docker buildx imagetools create \
                  -t osgeo/proj:latest \
                  osgeo/proj:latest-amd64 \
                  osgeo/proj:latest-arm64
          fi