build-push-gcp.yaml

# Workflow configuration that builds and pushes Docker image to GCP
name: Build and Push to GCP

on:
  push:
    branches: [ "master" ]
  pull_request:
    branches: [ "master" ]

env:
  PROJECT_ID: trainer-gketraining21
  GAR_LOCATION: asia-south1
  REPOSITORY: order-microservice-repo
  IMAGE_NAME: order-microservice
  
permissions:
  contents: read
  id-token: write

jobs:
  build-and-push:
    runs-on: ubuntu-latest

    steps:
    - name: Checkout repository
      uses: actions/checkout@v4

    - name: Google Auth
      id: auth
      uses: google-github-actions/auth@v2
      with:
        workload_identity_provider: 'projects/381882042224/locations/global/workloadIdentityPools/github-pool-new/providers/github-provider'
        service_account: 'github-actions@trainer-gketraining21.iam.gserviceaccount.com'

    - name: Docker Auth
      id: docker-auth
      uses: docker/login-action@v3
      with:
        registry: ${{ env.GAR_LOCATION }}-docker.pkg.dev
        username: oauth2accesstoken
        password: ${{ steps.auth.outputs.access_token }}

    - name: Build and Push Container
      uses: docker/build-push-action@v5
      with:
        context: .
        push: true
        tags: |
          ${{ env.GAR_LOCATION }}-docker.pkg.dev/${{ env.PROJECT_ID }}/${{ env.REPOSITORY }}/${{ env.IMAGE_NAME }}:${{ github.sha }}
          ${{ env.GAR_LOCATION }}-docker.pkg.dev/${{ env.PROJECT_ID }}/${{ env.REPOSITORY }}/${{ env.IMAGE_NAME }}:latest