name: Docker Image CI
on:
  push:
    branches: [ master ]
  workflow_dispatch:
  
jobs:

  build:

    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v2
    
    - name: Docker Hub login
      env:
        DOCKERHUB_USERNAME: ${{ secrets.DOCKER_HUB_USERNAME }}
        DOCKERHUB_TOKEN: ${{ secrets.DOCKER_HUB_TOKEN }}
      run: |
        echo "${DOCKERHUB_TOKEN}" | docker login --username ${DOCKERHUB_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:
        DOCKERHUB_USERNAME: ${{ secrets.DOCKER_HUB_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 $(echo "${DOCKERHUB_USERNAME}" | tr '[:upper:]' '[:lower:]')/${{ github.event.inputs.project }}:latest