dispatch_deploy.yml

# This workflow build and push a Docker container to Google Artifact Registry
# and deploy it on Cloud Run when manually triggered.

name: 'Dispatch Deploy'

on:
  workflow_dispatch:
    inputs:
      environment:
        description: 'Deployment environment (e.g., dev, uat, prod, alpha)'
        required: true
        type: string
        default: 'dev'
      version:
        description: 'Optional version for the deployment'
        required: true
        type: string
        default: 'v0.0.0-env'
      deploy_branch:
        description: 'Branch to deploy to the environment'
        required: true
        type: string
        default: 'main'

env:

  PROJECT_ID: ${{ secrets.PROJECT_ID }}
  REGION: ${{ secrets.REGION_LOC_1 }}
  SERVICE: 'mapdragon'
  IMAGE_NAME: 'map-dragon_img'
  GCP_CREDENTIALS:  ${{ secrets.GCP_CREDENTIALS }}


jobs:
  
  deploy:
    runs-on: 'ubuntu-latest'

    environment:
      name: ${{ github.event.inputs.environment }}

    permissions:
      contents: 'read'
      id-token: 'write'

    steps:
      - name: 'Checkout'
        uses: 'actions/checkout@v4'
        with:
          ref: ${{ github.event.inputs.deploy_branch }} # This branch is deployed
        
      - id: 'auth'
        name: 'Authenticate to Google Cloud'
        uses: 'google-github-actions/auth@v2'
        with:
          credentials_json: '${{ env.GCP_CREDENTIALS }}'

      - name: Generate .env.${{ github.event.inputs.environment }} file
        run: |
          echo "VITE_CLIENT_ID = ${{ secrets.VITE_CLIENT_ID }}" > .env.${{ github.event.inputs.environment }}
          echo "VITE_SEARCH_ENDPOINT = ${{ secrets.VITE_SEARCH_ENDPOINT }}" >> .env.${{ github.event.inputs.environment }}
          echo "VITE_VOCAB_ENDPOINT= ${{ secrets.VITE_VOCAB_ENDPOINT }}" >> .env.${{ github.event.inputs.environment }}
          echo "VITE_MAPDRAGON_VERSION= ${{ github.event.inputs.version }}" >> .env.${{ github.event.inputs.environment }}
      - name: 'Docker Auth'
        run: |-
          gcloud auth configure-docker '${{ env.REGION }}-docker.pkg.dev'

      - name: 'Build Docker Image'
        run: |-
          if [[ "${{ github.event.inputs.environment }}" == "prod" ]]; then
            SERVICE="${{ env.SERVICE }}"
          else 
            SERVICE="${{ env.SERVICE }}-${{ github.event.inputs.environment }}"
          fi
          DOCKER_TAG="${{ env.REGION }}-docker.pkg.dev/${{ env.PROJECT_ID }}/${SERVICE}/${{ env.IMAGE_NAME }}:${{ github.sha }}"

          echo "DOCKER_TAG=${DOCKER_TAG}" >> $GITHUB_ENV 
          echo "SERVICE=${SERVICE}" >> $GITHUB_ENV 

          docker build -t "${DOCKER_TAG}" --build-arg ENV=${{ github.event.inputs.environment }} .

      - name: 'Push Docker Image'
        run: |-
          docker push "${DOCKER_TAG}"

      - name: 'Deploy to Cloud Run'
        uses: 'google-github-actions/deploy-cloudrun@v2'
        with:
          service: ${{ env.SERVICE }}
          region: '${{ env.REGION }}'
          image: ${{ env.DOCKER_TAG }}
          env_vars: ${{ github.event.inputs.version }}