Building Cloud Native CI/CD Pipeline with GCP

cloudbuild.yml

steps:
  # Remove last run test results
  - id: remove-allure-results
    name: gcr.io/cloud-builders/gsutil
    entrypoint: "/bin/bash"
    args: ["-c", "gsutil -m rm -r gs://$_GCS_BUCKET_PATH"]
    allow_failure: true

  # Getting the sub-module ui-tests
  - id: git-submodule
    name: "gcr.io/cloud-builders/git"
    entrypoint: "bash"
    args:
      - "-c"
      - |
        git init
        git clean  -d  -f . #clean current working directory
        git remote add origin https://source.developers.google.com/p/[my-gcp-project]/r/[my-host-repo-name]
        git fetch origin $BRANCH_NAME
        git checkout $COMMIT_SHA #checkout at current commit
        git config -f .gitmodules submodule.[my-submodule-repo-name].url https://source.developers.google.com/p/[my-gcp-project]/r/[my-submodule-repo-name]
        git submodule update --init

  # Executing Docker compose file
  - id: docker-compose
    name: "docker/compose:1.19.0"
    args: ["up", "-d"]
    timeout: 900s #15 mins

  # Installing test dependencies
  - id: npm-test
    dir: "ui-tests"
    name: node:18
    entrypoint: npm
    args: ["install", "--force"]

  # Executing Ui tests
  - id: run-ui-test
    dir: "ui-tests"
    name: node:18
    entrypoint: npm
    args: ["run", "$_SUITE_NAME"]
    env:
      - "DOCKER_SERVICE=true"
      - "SITE_URL=$_SITE_URL"
      - "GOOGLE_CHAT_WEBHOOK=$_GCHAT_WEBHOOK"
    allow_failure: true
    timeout: 600s #5 mins

  # Copy test results to cloud bucket
  - id: copy-allure-results
    dir: "ui-tests"
    name: gcr.io/cloud-builders/gsutil
    entrypoint: "/bin/bash"
    args:
      [
        "-c",
        "gsutil -m cp -r test-results gs://$_GCS_BUCKET_PATH",
      ]

  # Adding check gates 1&2 to verify test exit code and incase of failure/error
  # abort pushing build image to registry

  # Check Gate 1 - ExitCode file exists
  - id: check-gate-1
    dir: "ui-tests"
    name: ubuntu
    entrypoint: "bash"
    args:
      - "-c"
      - |
        test -f $_EXITCODE_FILENAME && echo "$_EXITCODE_FILENAME exists."

   # Check Gate 2 - Read ExitCode file
   - id: check-gate-2
     dir: "ui-tests"
     name: ubuntu
     entrypoint: "bash"
     args:
       - "-c"
       - |
         ls
         cat $_EXITCODE_FILENAME
         if [[ $(< $_EXITCODE_FILENAME) == "1" ]]; then
           exit 1
         fi

  # Tag and Push built image to registry
  - id: push-image
    name: "gcr.io/cloud-builders/docker"
    entrypoint: "bash"
    args:
      - "-c"
      - |
        docker tag next-app gcr.io/$PROJECT_ID/next-app:latest
        docker push gcr.io/$PROJECT_ID/next-app:latest

  # Send build notification via webhook - image pushed
  - id: notify-image-pushed
    name: "curlimages/curl"
    args:
      [
        "-d",
        "{'text': 'Container Registry - image pushed.. Yet to Deploy! from build: $BUILD_ID'}",
        "-X",
        "POST",
        "$_GCHAT_WEBHOOK",
        "-H",
        "Content-Type: application/json",
        "--http1.1",
      ]

  # Deploy latest built image to Cloud Run
  - id: deploy-built-image
    name: "gcr.io/google.com/cloudsdktool/cloud-sdk"
    entrypoint: gcloud
    args:
      [
        "run",
        "deploy",
        "next-app",
        "--image",
        "gcr.io/$PROJECT_ID/next-app:latest",
        "--region",
        "us-west1",
      ]

  # Send build notification via webhook - image deployed
  - id: notify-image-deployed
    name: "curlimages/curl"
    args:
      [
        "-d",
        "{'text': 'Cloud Run - image Deployed! from build: $BUILD_ID'}",
        "-X",
        "POST",
        "$_GCHAT_WEBHOOK",
        "-H",
        "Content-Type: application/json",
        "--http1.1",
      ]

images: ["gcr.io/$PROJECT_ID/next-app:latest"]

options:
  logging: CLOUD_LOGGING_ONLY

docker-compose.yml

version: "2.3"

services:
  next-application:
    build:
      context: .
      dockerfile: Dockerfile
    image: next-app
    container_name: next-app
    environment:
      - NEXT_PUBLIC_ENV_1= env value1
      - NEXT_PUBLIC_ENV_2= env value2
    ports:
      - "3000:3000"
    healthcheck:
      test: curl --fail http://localhost:3000 || exit 1
      interval: 60s
      retries: 5
      timeout: 10s

  chrome:
    image: selenium/node-chrome:4.7.1-20221208
    depends_on:
      - selenium-hub
    environment:
      - SE_EVENT_BUS_HOST=selenium-hub
      - SE_EVENT_BUS_PUBLISH_PORT=4442
      - SE_EVENT_BUS_SUBSCRIBE_PORT=4443
    ports:
      - "6900:5900"

  firefox:
    image: selenium/node-firefox:4.7.1-20221208
    depends_on:
      - selenium-hub
    environment:
      - SE_EVENT_BUS_HOST=selenium-hub
      - SE_EVENT_BUS_PUBLISH_PORT=4442
      - SE_EVENT_BUS_SUBSCRIBE_PORT=4443
    ports:
      - "6901:5900"

  selenium-hub:
    image: selenium/hub:4.7.1-20221208
    depends_on:
      next-application:
        condition: service_healthy
    container_name: selenium-hub
    ports:
      - "4442:4442"
      - "4443:4443"
      - "4444:4444"
networks:
  default:
    external:
      name: cloudbuild