# This Github action is for publishing of the primary image for AnythingLLM
# It will publish a linux/amd64 and linux/arm64 image at the same time
# This file should ONLY BY USED FOR `master` BRANCH. 
# TODO: Update `runs-on` for arm64 when GitHub finally supports
# native arm environments as QEMU takes around 1 hour to build
# ref: https://github.com/actions/runner-images/issues/5631 :(
name: Publish AnythingLLM Primary Docker image (amd64/arm64)

concurrency:
  group: build-${{ github.ref }}
  cancel-in-progress: true

on:
  push:
    branches: ['master'] # master branch only. Do not modify.
    paths-ignore:
      - '**.md'
      - 'cloud-deployments/*'
      - 'images/**/*'
      - '.vscode/**/*'
      - '**/.env.example'
      - '.github/ISSUE_TEMPLATE/**/*'
      - 'embed/**/*' # Embed should be published to frontend (yarn build:publish) if any changes are introduced

jobs:
  push_multi_platform_to_registries:
    name: Push Docker multi-platform image to multiple registries
    runs-on: ubuntu-latest
    permissions:
      packages: write
      contents: read
    steps:
      - name: Check out the repo
        uses: actions/checkout@v4

      - name: Check if DockerHub build needed
        shell: bash
        run: |
          # Check if the secret for USERNAME is set (don't even check for the password)
          if [[ -z "${{ secrets.DOCKER_USERNAME }}" ]]; then
            echo "DockerHub build not needed"
            echo "enabled=false" >> $GITHUB_OUTPUT
          else
            echo "DockerHub build needed"
            echo "enabled=true" >> $GITHUB_OUTPUT
          fi
        id: dockerhub

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

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
      
      - name: Log in to Docker Hub
        uses: docker/login-action@f4ef78c080cd8ba55a85445d5b36e214a81df20a
        # Only login to the Docker Hub if the repo is mintplex/anythingllm, to allow for forks to build on GHCR
        if: steps.dockerhub.outputs.enabled == 'true' 
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}
      
      - name: Log in to the Container registry
        uses: docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      
      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@9ec57ed1fcdbf14dcef7dfbe97b2010124a938b7
        with:
          images: |
            ${{ steps.dockerhub.outputs.enabled == 'true' && 'mintplexlabs/anythingllm' || '' }}
            ghcr.io/${{ github.repository }}
          tags: |
            type=raw,value=latest,enable={{is_default_branch}}
            type=ref,event=branch
            type=ref,event=tag
            type=ref,event=pr


      - name: Build and push multi-platform Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          file: ./docker/Dockerfile
          push: true
          platforms: linux/amd64,linux/arm64
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max