docker.yml

---
name: Docker

# This workflow builds and pushes docker images to dockerhub
#
# Summary
#
# job docker-branch-os-matrix:
# * creates tags latest-alpine, latest-debian and latest-ubuntu for main branch
# * creates tags stable-alpine, stable-debian and stable-ubuntu for releasebranch_8_2
# * creates tags <branch_name>-alpine, <branch_name>-debian and <branch_name>-ubuntu for all triggered branches
#
# job docker-main-latest:
# * creates tag latest for main branch
#
# job docker-release-os-matrix:
# * creates tags <version>-alpine, <version>-debian and <version>-ubuntu for each release

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

env:
  # Additionally mentioned in docker-sha-release-latest
  # as use of variable fails there
  DOCKERHUB_REPOSITORY: osgeo/grass-gis

jobs:

  # Only run for push to configured branches, do not run for releases.
  # Take care of different os. For main branch, created tags are:
  # latest-alpine, latest-debian, latest-ubuntu
  # For releasebranch_8_2, created tags are:
  # stable-alpine, stable-debian, stable-ubuntu
  docker-branch-os-matrix:
    name: build and push ${{ matrix.os }} for branch
    if: startsWith(github.ref, 'refs/heads/') && 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@v3
        with:
          fetch-depth: 0
      - id: meta
        name: Create tag name
        run: |
          if [ "$GITHUB_REF" == "refs/heads/main" ]
          then
            TAG_PREFIX=latest
          elif [ "$GITHUB_REF" == "refs/heads/releasebranch_8_2" ]
          then
            TAG_PREFIX=stable
          else
            # use branch name as TAG_PREFIX
            TAG_PREFIX=`echo $GITHUB_REF|cut -d '/' -f3`
          fi
          tag="${DOCKERHUB_REPOSITORY}:${TAG_PREFIX}-${{ matrix.os }}"
          echo "tags=$tag" >> $GITHUB_OUTPUT
      - name: Log
        run: |
          echo ${{ steps.meta.outputs.tags }}
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v2
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2
      - name: Login to DockerHub
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN  }}
      - name: Build and push
        id: docker_build
        uses: docker/build-push-action@v4
        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 }}


  # Only run for push to main branch
  # Take care of tag latest
  # This job needs to build the configured image (ubuntu)
  # again for main branch to create latest tag.
  docker-main-latest:
    name: build and push latest for main branch
    if: github.ref == 'refs/heads/main' && github.repository_owner == 'OSGeo'
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          fetch-depth: 0
      - id: meta
        name: Create tag name
        run: |
          tag=${DOCKERHUB_REPOSITORY}:latest
          echo "tags=$tag" >> $GITHUB_OUTPUT
      - name: Log
        run: echo ${{ steps.meta.outputs.tags }}
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v2
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2
      - name: Login to DockerHub
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN  }}
      - name: Build and push
        id: docker_build
        uses: docker/build-push-action@v4
        with:
          push: true
          pull: true
          context: .
          tags: ${{ steps.meta.outputs.tags }}
          file: docker/ubuntu/Dockerfile
      - name: Image digest
        run: echo ${{ steps.docker_build.outputs.digest }}


  # run for releases, take care of release tags
  docker-release-os-matrix:
    name: build and push release for ${{ matrix.os }}
    if: startsWith(github.ref, 'refs/tags/') && github.repository_owner == 'OSGeo'
    runs-on: ubuntu-latest
    strategy:
      matrix:
        os:
          - alpine
          - debian
          - ubuntu
      fail-fast: false

    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          fetch-depth: 0
      - name: Create image and tag name
        id: meta
        uses: docker/metadata-action@v4
        with:
          # images: ${DOCKERHUB_REPOSITORY}
          images: osgeo/grass-gis
          tags: |
            type=ref,event=tag
          flavor: |
            latest=false
      - id: meta2
        name: Update tag name
        run: |
          tag="${{ steps.meta.outputs.tags }}-${{ matrix.os }}"
          echo "tags=$tag" >> $GITHUB_OUTPUT
      - name: Log
        run: |
          echo ${{ steps.meta2.outputs.tags }}
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v2
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2
      - name: Login to DockerHub
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN  }}
      - name: Build and push
        id: docker_build
        uses: docker/build-push-action@v4
        with:
          push: true
          pull: true
          context: .
          tags: ${{ steps.meta2.outputs.tags }}
          file: docker/${{ matrix.os }}/Dockerfile
      - name: Image digest
        run: echo ${{ steps.docker_build.outputs.digest }}