name: "docker build release"

on: 
  workflow_dispatch:
    inputs:
      project:
        description: 'Project'
        required: true
        default: 

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v2
      - name: Set tag
        id: tag
        run: |
          if [[ -n $(cat ${{ github.event.inputs.project }}/Dockerfile | awk '{if($1~"ENV" && $2~"VERSION")print $3}') ]]; then
            VERSION=$(cat ${{ github.event.inputs.project }}/Dockerfile | awk '{if($1~"ENV" && $2~"VERSION")print $3}')
            echo "tag=$VERSION" >> $GITHUB_ENV
          else
            echo "tag=$(date +%Y)-$(date +%m)-$(date +%d)" >> $GITHUB_ENV
          fi
      - name: Docker Hub login
        env:
          DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
          DOCKER_PASSWORD: ${{ secrets.DOCKER_PASSWORD }}
        run: |
          echo "${DOCKER_PASSWORD}" | docker login --username ${DOCKER_USERNAME} --password-stdin
      - name: Set up Docker Buildx
        id: buildx
        uses: crazy-max/ghaction-docker-buildx@v1
        with:
          buildx-version: latest
      - name: Build Dockerfile
        env:
          DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
        run: |
          docker buildx build \
          --platform=linux/amd64,linux/arm64 \
          --output "type=image,push=true" \
          --file ${{ github.event.inputs.project }}/Dockerfile ./${{ github.event.inputs.project }} \
          --tag $(echo "${DOCKER_USERNAME}" | tr '[:upper:]' '[:lower:]')/${{ github.event.inputs.project }}:latest \
          --tag $(echo "${DOCKER_USERNAME}" | tr '[:upper:]' '[:lower:]')/${{ github.event.inputs.project }}:${{ env.tag }}
      - name: Sync README.md
        uses: ms-jpq/sync-dockerhub-readme@v1
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}
          repository: ${{ secrets.DOCKER_USERNAME }}/${{ github.event.inputs.project }}
          readme: "${{ github.event.inputs.project }}/README.md"