name: Build Docker Image on Commit

on:
  push:
    branches:
      - main
    tags:
      - '!' # Exclude tags

jobs:
  build-and-publish:
    runs-on: docker-builder

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Set REPO_VARS
        id: repo-url
        run: |
          echo "REPO_HOST=$(echo "${{ github.server_url }}" | sed 's~http[s]*://~~g')" >> $GITHUB_ENV
          echo "REPO_PATH=${{ github.repository }}" >> $GITHUB_ENV

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

      - name: Login to OCI registry
        run: |
          echo "${{ secrets.OCI_TOKEN }}" | docker login $REPO_HOST -u "${{ secrets.OCI_USER }}" --password-stdin

      - name: Build and push multi-arch Docker images
        run: |
          docker buildx create --use
          docker buildx build \
            --platform linux/amd64,linux/arm64 \
            --tag $REPO_HOST/$REPO_PATH:${{ github.sha }} \
            --tag $REPO_HOST/$REPO_PATH:nightly \
            --push \
            .

      - name: Remove builder (optional cleanup)
        run: docker buildx rm