name: Publish Docker Image to GCR

on:
  push:
    branches: [main, master, production]
  workflow_call:
    secrets:
      GCR_PROJECT:
        required: false
      GCR_SA_KEY:
        required: false

env:
  PROJECT_ID: ${{ secrets.GCR_PROJECT }}
  IMAGE: mango-geyser-services

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v2
        with:
          submodules: recursive

      - name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@master

      # Login to Google Cloud
      - name: 'Login to Google Cloud'
        uses: 'google-github-actions/auth@v0'
        id: auth
        with:
          token_format: 'access_token'
          credentials_json: '${{ secrets.GCR_SA_KEY }}'

      # Login to GCR
      - name: Login to GCR
        uses: docker/login-action@v2
        with:
          registry: us-docker.pkg.dev
          username: oauth2accesstoken
          password: ${{ steps.auth.outputs.access_token }}

      # Build and push the image
      - name: Build and Push Image
        uses: docker/build-push-action@v2
        with:
          context: .
          push: true
          tags: |
            us-docker.pkg.dev/${{ env.PROJECT_ID }}/gcr.io/${{ env.IMAGE }}:${{ github.sha }}
            us-docker.pkg.dev/${{ env.PROJECT_ID }}/gcr.io/${{ env.IMAGE }}:latest
          cache-from: type=gha
          cache-to: type=gha,mode=max