name: Build and Push Docker image

on:
  pull_request:
    types: [closed]
    branches:
      - main

jobs:
  build:
    runs-on: ubuntu-latest
    if: github.event.pull_request.merged == true
    steps:
      - name: Checkout code
        uses: actions/checkout@v3.5.3

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v2.2.0

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2.9.1
        with:
          version: latest

      - name: Login to DockerHub
        uses: docker/login-action@v2.2.0
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Build and push
        id: docker_build
        uses: docker/build-push-action@v4.1.1
        with:
          context: .
          push: true
          tags: hummingbot/dashboard:latest
          platforms: linux/amd64,linux/arm64
          build-args: |
            BRANCH=${{ github.ref }}
            COMMIT=${{ github.sha }}
            BUILD_DATE=$(date -u +'%Y-%m-%dT%H:%M:%SZ')
          cache-from: type=registry,ref=hummingbot/dashboard:latest
          cache-to: type=inline

      - name: Image digest
        run: echo ${{ steps.docker_build.outputs.digest }}