name: Build & Push Docker Image
run-name: Build ${{ gitea.ref_name }}

on:
  push:
    branches: [main]
    tags: ["v*"]

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Log in to Gitea Container Registry
        uses: docker/login-action@v3
        with:
          registry: ${{ gitea.server_url }}
          username: ${{ secrets.GITEA_USER }}
          password: ${{ secrets.GITEA_TOKEN }}

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ gitea.server_url }}/${{ gitea.repository }}
          tags: |
            type=sha,format=long
            type=ref,event=branch
            type=semver,pattern={{version}}

      - name: Build and push
        uses: docker/build-push-action@v6
        with:
          context: .
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max