ci.yml

name: ci

on:
  push:
    branches: [ master ]
    tags: [ '**' ]
  pull_request:
    branches: [ master ]

jobs:
  publish:
    if: github.event_name == 'push' || github.event_name == 'release'
    runs-on: ubuntu-latest

    steps:
      - name: Get git tag
        id: git_info
        if: startsWith(github.ref, 'refs/tags/')
        run: echo "::set-output name=tag::${GITHUB_REF##*/}"
      - name: Decide image tag name
        id: determine
        env:
          git_tag: ${{ steps.git_info.outputs.tag }}
        run: |
          repo="${GITHUB_REPOSITORY,,}"  # to lower case
          # if build triggered by tag, use tag name
          tag="${git_tag:-latest}"
          dock_image=$repo:$tag
          echo $dock_image
          echo "::set-output name=dock_image::$dock_image"
          echo "::set-output name=repo::$repo"

#       - uses: docker/setup-qemu-action@v2
      - uses: docker/setup-buildx-action@v2
      - name: Cache Docker layers
        uses: actions/cache@v2
        with:
          path: /tmp/.buildx-cache
          key: ${{ runner.os }}-buildx-${{ github.sha }}
          restore-keys: |
            ${{ runner.os }}-buildx-
      - name: Login to DockerHub
        id: dockerhub_login
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_PASSWORD }}
          
      - name: Login to GitHub Container Registry
        uses: docker/login-action@v2 
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}


      - name: Build and push
        uses: docker/build-push-action@v3
        id: docker_build
        with:
          tags: |
            docker.io/${{ steps.determine.outputs.dock_image }}
            ghcr.io/${{ steps.determine.outputs.dock_image }}
#           platforms: linux/amd64,linux/ppc64le,linux/arm64
          push: true
          cache-from: type=local,src=/tmp/.buildx-cache
          cache-to: type=local,dest=/tmp/.buildx-cache