name: Publish Docker image

on:
  push:
    branches:
      - 'main'

jobs:
  push_to_registry:
    name: Push Docker image to local registry
    runs-on: ubuntu-latest
    steps:
      - name: Check out the repo
        uses: actions/checkout@v3
        with:
          submodules: recursive

      - name: setup buildx
        uses: https://github.com/docker/setup-buildx-action@v2

      - name: Log in to local registry
        run: |
          BASE64_AUTH=`echo -n "$CI_REGISTRY_USER:$CI_REGISTRY_PASSWORD" | base64`
          mkdir -p ~/.docker
          echo "{\"auths\": {\"$CI_REGISTRY\": {\"auth\": \"$BASE64_AUTH\"}}}" > ~/.docker/config.json        
        env:
          CI_REGISTRY: https://git.kallestruik.nl
          CI_REGISTRY_USER: ${{ secrets.FORGEJO_USERNAME }}
          CI_REGISTRY_PASSWORD: ${{ secrets.FORGEJO_PASSWORD }}

      - name: Build and push Docker image
        uses: https://github.com/docker/build-push-action@v4
        with:
          context: .
          push: true
          tags: "git.kallestruik.nl/kalle/esl-docker:latest"