jenkinsfile

# enter Google Cloud Platform Project ID in environment section and update GitHub URL in git clone stage

pipeline {
    agent {
    kubernetes {
      defaultContainer 'jnlp'
      yaml """
apiVersion: v1
kind: Pod
metadata:
  labels:
      run: jnlp
spec:
  containers:
  - name: git
    image: gcr.io/cloud-builders/git
    command:
    - cat
    tty: true
  - name: python-382
    image: registry.hub.docker.com/library/python:3.8.2
    command:
    - cat
    tty: true
  - name: busybox
    image: busybox
    command:
    - cat
    tty: true
  - name: gcloud
    image: google/cloud-sdk:latest
    command:
    - cat
    tty: true   
    volumeMounts:
      - name: kaniko-secret
        mountPath: /secret
    env:
      - name: GOOGLE_APPLICATION_CREDENTIALS
        value: /secret/kaniko-secret.json         
  - name: kaniko
    image: gcr.io/kaniko-project/executor:debug
    command:
    - /busybox/cat
    tty: true
    volumeMounts:
      - name: kaniko-secret
        mountPath: /secret
    env:
      - name: GOOGLE_APPLICATION_CREDENTIALS
        value: /secret/kaniko-secret.json
  volumes:
    - name: kaniko-secret
      secret:
        secretName: kaniko-secret
  imagePullSecrets:
  - name: jenkins-image-pull-secret      

"""
   }
}
    environment {
        GCP_PROJECT_ID = "enter-your-GCP-Project-ID"
    }
    stages {
        stage ('git clone - main') {
            when {
                branch 'main'
            }
            steps{
                container('git'){

                    git branch: 'main',
                        credentialsId: 'Github-Account-Credentials',
                        url: 'enter-GitHub-repo'
                }
            }
        }

        stage ('git clone - prod') {
            when {
                branch 'prod'
            }
            steps{
                container('git'){
                    git branch: 'prod',
                        credentialsId: 'Github-Account-Credentials',
                        url: 'enter-GitHub-repo'
                }
            }
        }

        stage ('building docker image - main') {
            when {
                branch 'main'
            }
            steps {
                dir ('omegatrade-app/backend') {
                    container(name: 'kaniko', shell: '/busybox/sh') {
                        sh 'pwd'
                        sh """
                        #!/busybox/sh 
                        /kaniko/executor --dockerfile dockerfile.local.emulator --context `pwd`/ --verbosity debug --insecure --skip-tls-verify --destination gcr.io/${GCP_PROJECT_ID}/omega-trade/dev/backend:$BUILD_NUMBER --destination gcr.io/${GCP_PROJECT_ID}/omega-trade/dev/backend:latest
                        """
                    }
                }
            }
        }

        stage ('building docker image - prod') {
            when {
                branch 'prod'
            }
            steps {
                dir ('omegatrade-app/backend') {
                    container(name: 'kaniko', shell: '/busybox/sh') {
                        sh 'pwd'
                        sh """
                        #!/busybox/sh 
                        /kaniko/executor --dockerfile dockerfile.prod --context `pwd`/ --verbosity debug --insecure --skip-tls-verify --destination gcr.io/${GCP_PROJECT_ID}/omega-trade/prod/backend:$BUILD_NUMBER --destination gcr.io/${GCP_PROJECT_ID}/omega-trade/prod/backend:latest
                        """
                    }  
                }
            }
        }
        
        stage ('deploy to cloud run - main') {
            when {
                branch 'main'
            }
            steps {
                container('gcloud'){
                    sh 'kubectl version'
                    sh 'gcloud auth activate-service-account --key-file=/secret/kaniko-secret.json'
                    sh 'gcloud run deploy omegatrade-backend-dev-jenkins --image=gcr.io/${GCP_PROJECT_ID}/omega-trade/dev/backend:$BUILD_NUMBER --platform=managed --region=us-west1 --allow-unauthenticated --project=${GCP_PROJECT_ID} --port 9020'
                }
            }
        }

        stage ('deploy to cloud run - prod') {
            when {
                branch 'prod'
            }
            steps {
                container('gcloud'){
                    sh 'kubectl version'
                    sh 'gcloud auth activate-service-account --key-file=/secret/kaniko-secret.json'
                    sh 'gcloud run deploy omegatrade-backend-prod-jenkins --image=gcr.io/${GCP_PROJECT_ID}/omega-trade/prod/backend:$BUILD_NUMBER --platform=managed --region=us-west1 --allow-unauthenticated --project=${GCP_PROJECT_ID} --port 9020 --set-env-vars=PROJECTID=${GCP_PROJECT_ID} --set-env-vars=INSTANCE=spanner_id --set-env-vars=DATABASE=spanner_database --set-env-vars=JWT_SECRET=abc123 --set-env-vars=EXPIRE_IN=2d'
                }
            }
        }
    }
}