NXTAssessment

A Repo for NXT Solutions Assessment

Build the Docker Image

docker build -t nodejs-app .

Tag the Docker Image and push to DockerHub

docker tag nodejs-app:latest your-dockerhub-username/nodejs-app:latest docker login docker push your-dockerhub-username/nodejs-app:latest

OR

Push it to Elastic Container Registry (AWS ECR)

aws ecr get-login-password --region your-region | docker login --username AWS --password-stdin your-account-id.dkr.ecr.your-region.amazonaws.com docker tag nodejs-app:latest your-account-id.dkr.ecr.your-region.amazonaws.com/your-ecr-repo-name:latest docker push your-account-id.dkr.ecr.your-region.amazonaws.com/your-ecr-repo-name:latest

This will create the namespace where the application will be running along with the svc and any other needed things

kubectl apply -f nodeapp-namespace.yaml

This creates the application replicas

kubectl apply -f nodeapp-deployment.yaml

This creates a svc that points to the application to be able to hit the application from outside the cluster (loadbalancer in our case)

kubectl apply -f nodeapp-svc.yaml

Steps to Deploy a Docker Image to AWS EKS

Set Up EKS Cluster (if not already set up) Either using eksctl

Create EKS cluster using eksctl

eksctl create cluster --name my-cluster --region us-west-2 --nodegroup-name my-nodes --node-type t3.medium --nodes 3 --nodes-min 1 --nodes-max 4 --managed

OR using CDK (I prefer this method)

=> This is a snapshot of a part of the script used to provision the EKS cluster

After creating the EKS cluster

We can deploy to it using kubectl (kubectl apply -f nodeapp-deployment.yaml) and so on

Or we can use a script it's almost the same

A script for deploying to an EKS Cluster can be like this

#!/bin/bash

Variables

CLUSTER_NAME="my-cluster" REGION="us-west-2" DEPLOYMENT_FILE="nodeapp-deployment.yaml" SERVICE_FILE="nodeapp-svc.yaml" IMAGE_URI="123456789012.dkr.ecr.us-west-2.amazonaws.com/nodejs-app:latest"

Update kubeconfig

aws eks --region $REGION update-kubeconfig --name $CLUSTER_NAME

Deploy the application

kubectl apply -f $DEPLOYMENT_FILE kubectl apply -f $SERVICE_FILE

mahmoudabdallah2 / nxtassessment Goto Github PK

nxtassessment's Introduction

NXTAssessment

Build the Docker Image

Tag the Docker Image and push to DockerHub

OR

Push it to Elastic Container Registry (AWS ECR)

This will create the namespace where the application will be running along with the svc and any other needed things

This creates the application replicas

This creates a svc that points to the application to be able to hit the application from outside the cluster (loadbalancer in our case)

Steps to Deploy a Docker Image to AWS EKS

Create EKS cluster using eksctl

OR using CDK (I prefer this method)

We can deploy to it using kubectl (kubectl apply -f nodeapp-deployment.yaml) and so on

Or we can use a script it's almost the same

A script for deploying to an EKS Cluster can be like this

Variables

Update kubeconfig

Deploy the application

Verify deployment

kubectl rollout status deployment/hello-world-deployment kubectl get services

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