name: Build image
 
on:
  push:
    # Publish semver tags as releases.
    tags: [ 'v*.*.*' ]
  workflow_dispatch:
    inputs:
        tag:
          description: 'Tag to build and publish'
          required: true
        push_as_latest:
          description: 'Also push as latest?'
          type: boolean
          default: false

env:
  REGISTRY: docker.io
  IMAGE_NAME: zepai/graph-service
  
jobs:
  docker-image:
    environment:
      name: release
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repo for tag push
        if: github.event_name == 'push'
        uses: actions/checkout@v4
        with:
          ref: ${{ github.ref }}

      - name: Checkout repo for manual trigger
        if: github.event_name == 'workflow_dispatch'
        uses: actions/checkout@v4
          
      - name: Set up Depot CLI
        uses: depot/setup-action@v1
 
      - name: Login to DockerHub
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
      - name: Extract Docker metadata
        id: meta
        uses: docker/metadata-action@v4.4.0
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=raw,value=latest,enable=${{ github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v') && !contains(github.ref, '-') }}
            type=raw,value=${{ github.event.inputs.tag }}
            type=ref,event=tag
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=semver,pattern={{major}}

      - name: Build and push
        uses: depot/build-push-action@v1
        with:
          token: ${{ secrets.DEPOT_PROJECT_TOKEN }}
          context: ${{ github.workspace }}
          push: true
          platforms: linux/amd64,linux/arm64
          tags: ${{ steps.meta.outputs.tags || env.TAGS }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max