name: Docker

on:
  push:
    branches: [ "main" ]
    tags: [ 'v*.*.*' ]
  pull_request:
    branches: [ "main" ]

env:
  REGISTRY: ${{ forgejo.server_url }}
  IMAGE_NAME: ${{ forgejo.repository }}

jobs:
  build:

    runs-on: ubuntu-docker

    steps:
      - name: Checkout repository
        uses: https://code.forgejo.org/actions/checkout@v4

      - name: Log into registry
        if: forgejo.event_name != 'pull_request'
        run: echo "${{ secrets.FORGEJO_TOKEN }}" | docker login ${{ env.REGISTRY }} -u ${{ forgejo.actor }} --password-stdin

      - name: Build Docker image
        run: |
          TAG="${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest"
          if [ "${{ forgejo.ref_type }}" = "tag" ]; then
            VERSION="${{ forgejo.ref_name }}"
            docker build -t "$TAG" -t "${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${VERSION}" .
          else
            docker build -t "$TAG" .
          fi

      - name: Push Docker image
        if: forgejo.event_name != 'pull_request'
        run: |
          docker push --all-tags "${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}"