deploy-question-service.yaml

name: Build and Deploy question-service to GKE

on:
  push:
    branches:
      - main
    paths:
      - server/question-service/**
  workflow_dispatch:

env:
  PROJECT_ID: ${{ secrets.GKE_PROJECT }}
  GKE_CLUSTER: peerprep-cluster-1
  GKE_ZONE: asia-southeast1
  REPOSITORY_NAME: peerprep
  K8_DIR: qn-service
  SERVICE: question-service
  IMAGE: questions

jobs:
  setup-build-publish-deploy:
    name: Setup, Build, Publish, and Deploy
    runs-on: ubuntu-latest
    environment: production

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

    - id: 'auth'
      name: 'Authenticate to Google Cloud'
      uses: 'google-github-actions/auth@v2'
      with:
        credentials_json: ${{ secrets.GKE_SA_KEY }}

    # Setup gcloud CLI
    - uses: google-github-actions/setup-gcloud@1bee7de035d65ec5da40a31f8589e240eba8fde5
      with:
        project_id: ${{ env.PROJECT_ID }}

    # Configure Docker to use the gcloud command-line tool as a credential
    # helper for authentication
    - run: |-
        gcloud auth configure-docker ${GKE_ZONE}-docker.pkg.dev --quiet

    # Get the GKE credentials so we can deploy to the cluster
    - uses: google-github-actions/get-gke-credentials@db150f2cc60d1716e61922b832eae71d2a45938f
      with:
        cluster_name: ${{ env.GKE_CLUSTER }}
        location: ${{ env.GKE_ZONE }}
        project_id: ${{ env.PROJECT_ID }}

    # Build the Docker image
    - name: 'Build and push Docker container'
      run: |-
        DOCKER_TAG="${GKE_ZONE}-docker.pkg.dev/${PROJECT_ID}/${REPOSITORY_NAME}/${IMAGE}:${GITHUB_SHA}"
        DOCKER_TAG_LATEST="${GKE_ZONE}-docker.pkg.dev/${PROJECT_ID}/${REPOSITORY_NAME}/${IMAGE}:latest"

        docker build \
          --tag "${DOCKER_TAG}" \
          --tag "${DOCKER_TAG_LATEST}" \
          --build-arg GITHUB_SHA="${GITHUB_SHA}" \
          --build-arg GITHUB_REF="${GITHUB_REF}" \
          ./server/${SERVICE}

        docker push "${DOCKER_TAG}"
        docker push "${DOCKER_TAG_LATEST}"

    # Deploy the Docker image to the GKE cluster
    - name: Deploy
      run: |-
        kubectl apply -f kubernetes/${K8_DIR}
        kubectl rollout status deployment/${K8_DIR}
        kubectl get services -o wide