name: Docker

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

jobs:
  build:
    runs-on: docker-clinode
    steps:
      - uses: actions/checkout@v3

      - name: Log in to Codeberg registry
        if: startsWith(github.ref, 'refs/tags/')
        uses: docker/login-action@v3
        with:
          registry: codeberg.org
          username: ${{ secrets.REGISTRY_USER }}
          password: ${{ secrets.REGISTRY_TOKEN }}

      - name: Extract version tag
        if: startsWith(github.ref, 'refs/tags/')
        id: meta
        run: echo "tag=${GITHUB_REF#refs/tags/}" >> $GITHUB_OUTPUT

      - name: Build (verify only, no push)
        if: github.ref == 'refs/heads/master'
        uses: docker/build-push-action@v5
        with:
          context: .
          push: false

      - name: Build and push (tagged release)
        if: startsWith(github.ref, 'refs/tags/')
        uses: docker/build-push-action@v5
        with:
          context: .
          push: true
          tags: |
            codeberg.org/${{ github.repository }}:${{ steps.meta.outputs.tag }}
            codeberg.org/${{ github.repository }}:latest