Build and deploy to gcloud

actions-gcloud-cicd.yaml

name: Build and deploy
on: 
  push:
    branches:
    - master

jobs:
  build:
    runs-on: ubuntu-latest
    container: google/cloud-sdk:latest
    steps:
    - uses: actions/checkout@v1
      with: 
        submodules: true
    - name: Set up gcloud    
      env:
        GCLOUD_PROJECT: bbi-core 
        GCLOUD_ZONE: asia-east1-a   
        GCLOUD_CLUSTER: kluster-01-asia-east1-a
        ENVIRONMENT: production
        APPLICATION_NAME: <app name>
        GCLOUD_API_KEYFILE: ${{ secrets.GCLOUD_API_KEY }}
      run: |
        export IMAGE_NAME=gcr.io/$GCLOUD_PROJECT/$APPLICATION_NAME
        echo $GCLOUD_API_KEYFILE | base64 -d > ~/.gcloud-api-key.json
        gcloud auth activate-service-account --key-file ~/.gcloud-api-key.json
        gcloud config set project $GCLOUD_PROJECT
        gcloud config set compute/zone $GCLOUD_ZONE
        gcloud container clusters get-credentials $GCLOUD_CLUSTER
        gcloud auth configure-docker --quiet
    - name: Build and push
      env:
        IMAGE_NAME: gcr.io/bbi-core/app
        ENVIRONMENT: production
      run: |
        # BUILD IMAGE
        docker build . -t $IMAGE_NAME -t $IMAGE_NAME:$GITHUB_SHA -t $IMAGE_NAME:$ENVIRONMENT

        # PUBLISH IMAGE
        docker push $IMAGE_NAME
    - name: Deploy
      env:
        CONFIG_MAP: Applicaiton-Production
        ENVIRONMENT: Production
        IMAGE_NAME: gcr.io/bbi-core/app
      run: |
        # CREATE and FLUSH / UPDATE CONFIGS
        set +e
        kubectl create configmap $CONFIG_MAP --from-env-file=.env-$ENVIRONMENT
        kubectl create configmap $CONFIG_MAP --from-env-file=.env-$ENVIRONMENT --dry-run -o yaml | kubectl replace -f -
        set -e

        # DEPLOYMENT
        kubectl apply -f deployment-$ENVIRONMENT.yml
        kubectl set image deployment $CONFIG_MAP wordpress=$IMAGE_NAME:$GITHUB_SHA
        # EXPOSE
        kubectl apply -f loadbalancer-$ENVIRONMENT.yml