name: Docker Image CI

on:
  workflow_dispatch:
  workflow_call:

jobs:
  build:

    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v2
      with:
            fetch-depth: 0

    - name: Set up QEMU
      uses: docker/setup-qemu-action@v1

    - name: Set up Docker Buildx
      uses: docker/setup-buildx-action@v1
        
    - name: Log in to Docker Hub
      uses: docker/login-action@f054a8b539a109f9f41c372932f1ae047eff08c9
      with:
        username: ${{ secrets.DOCKER_USERNAME }}
        password: ${{ secrets.DOCKER_PASSWORD }}
      
    - name: Log in to the Container registry
      uses: docker/login-action@f054a8b539a109f9f41c372932f1ae047eff08c9
      with:
        registry: ghcr.io
        username: ${{ github.actor }}
        password: ${{ secrets.GITHUB_TOKEN }}

    - name: 'Get Previous tag'
      id: previoustag
      uses: "WyriHaximus/github-action-get-previous-tag@v1"
      env:
        GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
        
    - name: Build image and push to Docker Hub and GitHub Container Registry
      uses: docker/build-push-action@v3
      with:
        context: .
        tags: |
          supernova3339/anonupload:latest
          supernova3339/anonupload:${{ steps.previoustag.outputs.tag }}
          ghcr.io/supernova3339/anonupload:latest
          ghcr.io/supernova3339/anonupload:${{ steps.previoustag.outputs.tag }}
        # build on feature branches, push only on main branch
        push: ${{ github.ref == 'refs/heads/master' }}
        platforms: linux/amd64,linux/arm64,linux/arm/v7