name: Build and Push Docker Image

on:
  push:
    branches: [main]

env:
  REGISTRY: git.felixfoertsch.de
  IMAGE: felixfoertsch/netfelix-audio-fix

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

      - name: Log in to Gitea Container Registry
        run: echo "${{ secrets.REGISTRY_TOKEN }}" | docker login "$REGISTRY" -u "${{ github.actor }}" --password-stdin

      - name: Extract version from package.json
        id: meta
        run: echo "version=$(jq -r .version package.json)" >> "$GITHUB_OUTPUT"

      # buildx is already bundled in the gitea/runner-images ubuntu image — no need
      # for docker/setup-buildx-action, which costs ~2 minutes of git-clone on every run.
      - name: Build and push with registry cache
        run: |
          docker buildx create --use --name ci-builder --driver docker-container || docker buildx use ci-builder
          docker buildx build \
            --push \
            --cache-from "type=registry,ref=$REGISTRY/$IMAGE:buildcache" \
            --cache-to   "type=registry,ref=$REGISTRY/$IMAGE:buildcache,mode=max" \
            -t "$REGISTRY/$IMAGE:latest" \
            -t "$REGISTRY/$IMAGE:${{ steps.meta.outputs.version }}" \
            .