name: Docker Image CI

on:
  release:
    types: [published]

env:
  IMAGE_NAME: "ghcr.io/codemicro/walrss"

jobs:

  build:

    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v3
    
    - name: Get tag version
      id: get_version
      run: echo ::set-output name=VERSION::$(echo ${GITHUB_REF/refs\/tags\//} | sed sed "s/^v//")
      
    - name: Make image tags
      id: make_tags
      run: |
        echo "::set-output name=LATEST::$IMAGE_NAME:latest"
        echo "::set-output name=VERSIONED::$IMAGE_NAME:${{ steps.get_version.outputs.VERSION }}"
      
    - name: Build Docker image
      run: docker build . --file Dockerfile --tag ${{ steps.make_tags.outputs.LATEST }} --tag ${{ steps.make_tags.outputs.VERSIONED }}
      
    - name: Login to ghcr.io
      run: echo ${{ secrets.GITHUB_TOKEN }} | docker login ghcr.io --username codemicro --password-stdin
      
    - name: Push image
      run: docker push --all-tags $IMAGE_NAME