name: Build and Push to GHCR

on:
  push:
    branches:
      - main

permissions:
  packages: write
  contents: read

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
      # Checkout code
      - name: Checkout code
        uses: actions/checkout@v4.2.2

      # Log in to GHCR
      - name: Log in to GitHub Container Registry
        uses: docker/login-action@v3.5.0
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      # Set up Docker Buildx (needed for ARM64 cross-build)
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3.11.1

      # Build and push Docker image with caching
      - name: Build and push ARM64 image
        uses: docker/build-push-action@v6.18.0
        with:
          context: .
          push: true
          platforms: linux/arm64
          tags: |
            ghcr.io/stefbuwalda/cal_counter:arm64
            ghcr.io/stefbuwalda/cal_counter:latest
          cache-from: type=registry,ref=ghcr.io/stefbuwalda/cal_counter:cache
          cache-to: type=registry,ref=ghcr.io/stefbuwalda/cal_counter:cache,mode=max
          build-args: |
            PIP_NO_CACHE_DIR=1