name: Docker

on:
  push:
    branches:
      - master
    tags:
      - 'v*'

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3

      - name: Set image tag
        id: meta
        run: |
          if [[ "${GITHUB_REF}" == refs/tags/* ]]; then
            echo "TAG=${GITHUB_REF#refs/tags/}" >> $GITHUB_OUTPUT
          else
            echo "TAG=latest" >> $GITHUB_OUTPUT
          fi

      - name: Login to Forgejo registry
        uses: docker/login-action@v3
        with:
          registry: git.sinfonie.org
          username: ${{ secrets.REGISTRY_USER }}
          password: ${{ secrets.REGISTRY_TOKEN }}

      - name: Build image
        run: |
          docker build -t git.sinfonie.org/sinfonie/photo26:${{ steps.meta.outputs.TAG }} .

      - name: Push image
        run: |
          docker push git.sinfonie.org/sinfonie/photo26:${{ steps.meta.outputs.TAG }}

      - name: Tag latest (for master)
        if: github.ref == 'refs/heads/master'
        run: |
          docker tag git.sinfonie.org/sinfonie/photo26:${{ steps.meta.outputs.TAG }} git.sinfonie.org/sinfonie/photo26:latest
          docker push git.sinfonie.org/sinfonie/photo26:latest