gke-deploy-authentication-service.yml

name: Build Authentication Service and Deploy to GKE

on:
  push:
    branches:
    - master

# Environment variables available to all jobs and steps in this workflow
env:
  GKE_PROJECT: ${{ secrets.GKE_PROJECT }}
  GKE_EMAIL: ${{ secrets.GKE_EMAIL }}
  GITHUB_SHA: ${{ github.sha }}
  GKE_ZONE: europe-west1-b
  GKE_CLUSTER: your-first-cluster-1
  IMAGE: authentication-service

jobs:

  setup-build-publish-deploy:
    if: contains(toJson(github), 'deploy authentication-service')
    name: Setup, Build, Publish, and Deploy
    runs-on: ubuntu-latest
    steps:

    - name: Checkout
      uses: actions/checkout@master

    # Setup gcloud CLI
    - uses: GoogleCloudPlatform/github-actions/setup-gcloud@master
      with:
        version: '270.0.0'
        service_account_email: ${{ secrets.GKE_EMAIL }}
        service_account_key: ${{ secrets.GKE_KEY }}

    # Configure docker to use the gcloud command-line tool as a credential helper
    - run: |
        # Set up docker to authenticate
        # via gcloud command-line tool.
        gcloud auth configure-docker

    # Set up JDK 1.8
    - name: JDK
      uses: actions/setup-java@v1
      with:
        java-version: 1.8

    # Build the Docker image with Maven
    - name: Build
      run: |
        mvn clean install -pl authentication-service -am -B -Dspring.profiles.active=travis docker:build
        docker tag $IMAGE:latest eu.gcr.io/$GKE_PROJECT/$IMAGE:$GITHUB_SHA

    # Push the Docker image to Google Container Registry
    - name: Publish
      run: |
        docker push eu.gcr.io/$GKE_PROJECT/$IMAGE:$GITHUB_SHA
        
      # Set up docker image
    - name: Set up docker image
      run: |
        gcloud container clusters get-credentials $GKE_CLUSTER --zone $GKE_ZONE --project $GKE_PROJECT
        gcloud components install beta --quiet
        yes | gcloud beta container images add-tag eu.gcr.io/$GKE_PROJECT/$IMAGE:$GITHUB_SHA eu.gcr.io/$GKE_PROJECT/$IMAGE:latest

    # Deploy the Docker image to the GKE cluster
    - name: Deploy
      run: |
        kubectl config view
        kubectl config current-context
        kubectl patch deployment $IMAGE -p "{\"spec\":{\"template\":{\"metadata\":{\"annotations\":{\"date\":\"`date +'%s'`\"}}}}}" || kubectl apply -f ./.github/workflows/kubernetes/deployment-authentication-service.yml


    - name: Set up QEMU
      uses: docker/setup-qemu-action@v1

    - name: Set up Docker Buildx
      uses: docker/setup-buildx-action@v1

    - name: Login to DockerHub
      uses: docker/login-action@v1
      with:
        username: ${{ secrets.DOCKERHUB_USERNAME }}
        password: ${{ secrets.DOCKERHUB_TOKEN }}
    - name: Build and push
      id: docker_build
      uses: docker/build-push-action@v2
      with:
        push: true
        tags: user/app:latest
        build-args: |
          arg1=value1
          arg2=value2

    - name: Image digest
      run: echo ${{ steps.docker_build.outputs.digest }}