name: Build and Push Docker Image

on:
  push:
    tags:
      - 'v*'
    # Uncomment to also build on master pushes (rolling latest).
    # Pair with concurrency + paths below to avoid excessive builds.
    # branches:
    #   - master
    # paths:
    #   - 'src/**'
    #   - 'open-sse/**'
    #   - 'public/**'
    #   - 'package*.json'
    #   - 'next.config.*'
    #   - 'Dockerfile'
  workflow_dispatch:

# Uncomment if re-enabling master push trigger.
# concurrency:
#   group: docker-${{ github.ref }}
#   cancel-in-progress: true

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

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

    steps:
      - uses: actions/checkout@v4

      - uses: docker/setup-buildx-action@v3

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

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=sha,prefix=
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=raw,value=latest,enable={{is_default_branch}}

      - name: Build and push
        uses: docker/build-push-action@v6
        with:
          context: .
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=registry,ref=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:buildcache
          cache-to: type=registry,ref=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:buildcache,mode=max
          platforms: linux/amd64
          provenance: false
          sbom: false