name: Build and push to ghcr.io

on:
  push:
    branches:
      - master

jobs:
  build-and-push:
    runs-on: ubuntu-latest
    timeout-minutes: 30
    permissions:
      contents: read
      packages: write

    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          persist-credentials: false

      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ghcr.io/platon47/wg-easy-ip-tls
          tags: |
            type=raw,value=latest
            type=sha,prefix=sha-,format=short

      - name: Log in to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Tag current latest as stable (backup before new build)
        run: |
          # Pull the current :latest image and re-tag it as :stable
          # This serves as a rollback point before every new release
          if docker pull ghcr.io/platon47/wg-easy-ip-tls:latest 2>/dev/null; then
            docker tag ghcr.io/platon47/wg-easy-ip-tls:latest ghcr.io/platon47/wg-easy-ip-tls:stable
            docker push ghcr.io/platon47/wg-easy-ip-tls:stable
            echo "Stable tag updated successfully"
          else
            echo "No existing :latest image found, skipping stable tag (first build)"
          fi

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

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

      - name: Build and push
        uses: docker/build-push-action@v6
        with:
          context: .
          platforms: linux/amd64,linux/arm64
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max

env:
  FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: true