name: build

on:
  push:
    branches:
      - main

jobs:
  extract-version:
    runs-on: node
    outputs:
      version: ${{ steps.get-version.outputs.version }}
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Read version from Dockerfile
        id: get-version
        run: |
          version=$(grep '^ARG VERSION=' Dockerfile | cut -d '=' -f2)
          echo "Extracted version: $version"
          echo "version=$version" >> "$GITHUB_OUTPUT"

  docker:
    runs-on: host
    needs:
        - extract-version
    steps:
      - name: Checkout Repository
        uses: actions/checkout@v4

      - name: Login to Docker Hub
        uses: docker/login-action@v3
        with:
          registry: git.h2-invent.com
          username: ${{ secrets.FORGEJO_ACTION_PACKAGE_RW_USER }}
          password: ${{ secrets.FORGEJO_ACTION_PACKAGE_RW_KEY }}

      - name: Build and push Keycloak Image
        uses: docker/build-push-action@v6
        with:
          push: true
          tags: git.h2-invent.com/public-docker-registry/etherpad:${{ needs.extract-version.outputs.version }}
          build-args: VERSION=${{ needs.extract-version.outputs.version }}