gke-workflow.yml

name: Build and Deploy to GKE
on:
  push:
    branches:
      - master
env:
    PROJECT_ID: ${{ secrets.GKE_PROJECT }}
    JWT_SECRET: ${{ secrets.JWT_SECRET }}
    REDIS_ADDRESS: ${{ secrets.REDIS_ADDRESS }}
    DB_USERNAME: ${{ secrets.TEAM_NAME }}
    DB_PASSWORD: ${{ secrets.DB_PASSWORD }}
    DB_HOST: ${{ secrets.DB_HOST }}
    DB_PORT: 3306
    DB_NAME: ${{ secrets.TEAM_NAME }}
    GKE_CLUSTER: backend-gke-cluster
    GKE_REGION: asia-east1
    TEAM_NAME: ${{ secrets.TEAM_NAME }}
    MINIO_ENDPOINT: storage.googleapis.com
    MINIO_ACCESS_KEY: ${{ secrets.MINIO_ACCESS_KEY }}
    MINIO_SECRET_KEY: ${{ secrets.MINIO_SECRET_KEY }}
    MINIO_REGION: US-EAST1
    MINIO_BUCKET: ${{ secrets.TEAM_NAME }}-rakamin
    DB_MAX_CONNECTIONS: 100
    DB_MAX_IDLE_CONNECTIONS: 10
    DB_MAX_LIFETIME_CONNECTIONS: 2
    SERVER_READ_TIMEOUT: 60
jobs:
    setup-build-publish-deploy:
        name: Setup, Build, Publish, and Deploy
        runs-on: ubuntu-latest

        steps:
            - name: Checkout
              uses: actions/checkout@v2

            # Setup gcloud CLI
            - uses: google-github-actions/setup-gcloud@master
              with:
                  version: '290.0.1'
                  service_account_key: ${{ secrets.GKE_SA_KEY }}
                  project_id: ${{ secrets.GKE_PROJECT }}

            # Configure Docker to use the gcloud command-line tool as a credential
            # helper for authentication
            - run: |-
                  gcloud --quiet auth configure-docker
            # Get the GKE credentials so we can deploy to the cluster
            - run: |-
                  gcloud container clusters get-credentials "$GKE_CLUSTER" --region "$GKE_REGION"
            # Build the Docker image
            - name: Build
              run: |-
                  docker build \
                    --tag "gcr.io/$PROJECT_ID/$TEAM_NAME:$GITHUB_SHA" \
                    .
            # Push the Docker image to Google Container Registry
            - name: Publish
              run: |-
                  docker push "gcr.io/$PROJECT_ID/$TEAM_NAME:$GITHUB_SHA"
            # Set up kustomize
            - name: Set up Kustomize
              run: |-
                  curl -sfLo ./manifests/kustomize https://github.com/kubernetes-sigs/kustomize/releases/download/v3.1.0/kustomize_3.1.0_linux_amd64
                  chmod u+x ./manifests/kustomize
            # Deploy the Docker image to the GKE cluster
            - name: Deploy
              run: |-
                  cd ./manifests
                  envsubst < deployment.yml.sh > deployment.yml
                  envsubst < service.yml.sh > service.yml
                  envsubst < .env.sh > .env
                  envsubst < kustomization.yml.sh > kustomization.yml
                  ./kustomize build . | kubectl apply -f -
                  kubectl rollout status deployment/$TEAM_NAME
                  kubectl get services $TEAM_NAME-service -o wide