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https://github.com/abdelrhman95/gcp-stateful-webapp

Building a stateful web app using GCP architecture to deploy it in GKE cluster using Terraform(IaC)
https://github.com/abdelrhman95/gcp-stateful-webapp

docker gcp gke-cluster k8s statefulsets terraform

Last synced: about 1 month ago
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Building a stateful web app using GCP architecture to deploy it in GKE cluster using Terraform(IaC)

Host: GitHub
URL: https://github.com/abdelrhman95/gcp-stateful-webapp
Owner: abdelrhman95
Created: 2023-10-20T22:27:57.000Z (about 1 year ago)
Default Branch: master
Last Pushed: 2024-01-08T07:14:10.000Z (about 1 year ago)
Last Synced: 2024-01-08T08:26:56.296Z (about 1 year ago)
Topics: docker, gcp, gke-cluster, k8s, statefulsets, terraform
Language: HCL
Homepage:
Size: 1.52 MB
Stars: 0
Watchers: 1
Forks: 0
Open Issues: 0
Metadata Files:
- Readme: README.md

Awesome Lists containing this project

README

        # GCP-Terraform-Node.jsApp

Building a stateful web app using  GCP architecture to deploy it  in the GKE cluster using Terraform as infrastructure as code (IaC) 

## Overview

* Develop and use your own Terraform modules to build the required infrastructure

on GCP:

  - a. IAM: 2 service accounts - N roles.

  - b. Network: 1 VPC – 2 subnets – N firewall rules – 1 NAT.

  - c. Compute: 1 private VM – 1 GKE standard cluster across 3 zones.

  - d. Storage: Artifact Registry repository to store the images.

  - 

* Deploy the MongoDB replicaset across the 3 zones

* Dockerize and Deploy the Node.js web app connected to the 3 DB replicas.

* Expose the web app using ingress/load balancer.

## Architecture

![Screenshot from 2023-10-26 20-43-58](https://github.com/abdelrhman95/GCP-Terraform-Node.jsApp/assets/58826560/1330e1ff-220e-4a6d-a8aa-c79460a17823)

## Prerequisites

 * GCP Account

 *  Terraform

 *  docker

 *  kubectl

## Steps 

* Build application image by docker file and push to artifact registry 

![Screenshot from 2023-10-26 21-10-47](https://github.com/abdelrhman95/GCP-Terraform-Node.jsApp/assets/58826560/f6615458-fa09-4fee-a3da-0cfd0979e713)

* Initialize infra using Terraform

   ```sh

   terraform init

   terraform plan

   terraform apply --auto-approve

   ```

    - after applying it should return that your infra has been completed

      ![Screenshot from 2023-10-26 21-19-14](https://github.com/abdelrhman95/GCP-Terraform-Node.jsApp/assets/58826560/29ac103a-00ba-42f8-b48f-97357ec69eca)

      

* After creating the GCP architecture we have to ssh to private-vm  through IAP

   ```sh

  gcloud compute ssh [vm-name] --tunnel-through-iap --zone=[zone-name] --project=[project-id]

  ```

* Once you connect to your private VM, you can access the GKE Cluster

   ```sh

   gcloud container clusters get-credentials [cluster-name] --zone [zone-name] --project [project-id]

   ```

  - Deploy MongoDB (stateful)

  - Deploy Node.js app

  - Deploy LoadBalancer service

## Results

*  ![k8s](https://github.com/abdelrhman95/GCP-Terraform-Node.jsApp/assets/58826560/6e816740-4c02-44b8-a3aa-b113c3e91d87)

      ``` sh

      curl EXTERNAL_IP:PORT

      ```

      ![running application through load balancer](https://github.com/abdelrhman95/GCP-Terraform-Node.jsApp/assets/58826560/04ad243e-1dc5-4f5b-bf02-41aea8893232)