name: Build and Push Docker Image

on:
  push:
    branches:
      - main
  workflow_dispatch:  # Manual trigger

env:
  REGISTRY: ${{ vars.REGISTRY_HOST }}  # Set in Gitea repo settings, e.g., gitea.local
  IMAGE_NAME: ${{ gitea.repository }}  # e.g., username/ghbot

jobs:
  build-and-push:
    runs-on: ubuntu-latest  # Or your self-hosted runner label
    steps:
      - name: Checkout repository
        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: ${{ env.REGISTRY }}
          username: ${{ gitea.actor }}
          password: ${{ secrets.REGISTRY_TOKEN }}

      - name: Extract metadata (tags, labels)
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=raw,value=latest,enable={{is_default_branch}}
            type=sha,prefix=
            type=ref,event=branch

      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max