docker.yml

---
name: Docker

# This workflow builds and pushes docker images to dockerhub
#
# Summary
#
# job docker-os-matrix:
# * creates tags <version>-alpine, <version>-debian and <version>-ubuntu for each release
# * creates tags <branch_name>-alpine, <branch_name>-debian and <branch_name>-ubuntu for all triggered branches
# * creates tags current-alpine, current-debian and current-ubuntu for releasebranch_8_3
# * creates tag latest for last stable release with ubuntu os

on:
  push:
    branches:
      - main
      - releasebranch_*
      - '!releasebranch_7_*'
    # tags: ['*.*.*']
    paths-ignore: [doc/**]
  release:
    types: [published]

jobs:

  # Run for push to configured branches and all published releases.
  # Take care of different os.
  # For main branch, created tags are:
  #     main-alpine, main-debian, main-ubuntu
  # For releasebranch_8_3, created tags are:
  #     current-alpine, current-debian, current-ubuntu,
  #     releasebranch_8_3-alpine, releasebranch_8_3-debian, releasebranch_8_3-ubuntu
  # For a release, e.g. 8.3.0, created tags are:
  #     8.3.0-alpine, 8.3.0-debian, 8.3.0-ubuntu and latest (with ubuntu)
  docker-os-matrix:
    name: build and push ${{ matrix.os }} for ${{ github.ref }}
    if: github.repository_owner == 'OSGeo'
    runs-on: ubuntu-latest

    strategy:
      matrix:
        os:
          - alpine
          - debian
          - ubuntu
          - ubuntu_wxgui
      fail-fast: false

    steps:
      - name: Checkout
        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
        with:
          fetch-depth: 0
      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: osgeo/grass-gis
          tags: |
            type=ref,event=tag
            type=ref,event=branch
            type=raw,value=current,enable=${{ github.ref == format('refs/heads/{0}', 'releasebranch_8_3') }}
            type=raw,value=latest,enable=${{ startsWith(github.ref, 'refs/tags/8.3') && matrix.os == 'ubuntu' }},suffix=
          flavor: |
            latest=false
            suffix=-${{ matrix.os }}
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
      - name: Login to DockerHub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN  }}
      - name: Build and push
        id: docker_build
        uses: docker/build-push-action@v5
        with:
          push: true
          pull: true
          context: .
          tags: ${{ steps.meta.outputs.tags }}
          file: docker/${{ matrix.os }}/Dockerfile
      - name: Image digest
        run: echo ${{ steps.docker_build.outputs.digest }}