Deployment of Node.js applications using GitLab CI/CD with Helm charts on Google Kubernetes Engine (GKE)

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Taruniyaa S
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2 min read

  1. Setup GitLab Repository:

    • Create a GitLab repository for your Node.js application.

    • Add a .gitlab-ci.yml file to define your CI/CD pipeline.

  2. Configure GitLab CI/CD Pipeline:

    • Set up stages for your pipeline, including build, test, and deploy.

    • Use a Docker image for Node.js in your CI runner.

    • Install necessary dependencies and run tests in the build stage.

  3. Create Helm Charts:

    • Organize your Node.js application into a Helm chart structure. This typically involves creating a Chart.yaml, values.yaml, and templates directory with Kubernetes manifest files.

    • Include a Deployment YAML for your Node.js app, specifying container details, environment variables, etc.

  4. Integrate Helm into CI/CD:

    • Install Helm in your CI runner.

    • Add steps in your CI/CD pipeline to package your Helm chart and push it to your Helm repository.

  5. Configure GKE Cluster:

    • Set up a GKE cluster in Google Cloud Console.

    • Authenticate GitLab CI with your GKE cluster using a service account and kubeconfig.

  6. Deploy to GKE:

    • Add deployment steps in your CI/CD pipeline to deploy your Helm chart to the GKE cluster.

  7. Secrets Management:

    • Use GitLab CI/CD variables or another secure method for managing sensitive information like API keys or secrets.

  8. Monitoring and Logging:

    • Integrate monitoring tools and logging solutions to track the health and performance of your deployed application.
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