Home Assignment

Flask App

A simple 'Hello World' flask app listening on 0.0.0.0:8888

Build and run on docker with

$ cd app/
$ docker build -t hello_world .
$ docker run -dp 8888:8888 -t hello_world

Image can be push to a container registry

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Terraform

EKS Module

Creates EKS cluster on AWS.

Inputs	Default
az_count	2
cidr_block	"10.0.0.0/16"
cluster_name	"Hello_World_Cluster"
cluster_desired_size	2
cluster_max_size	4
cluster_min_size	2

K8s Module

Creates ECR config secret and AWS LB Ingress controller

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K8s Manifests

Ingress

Deploys AWS internet facing ALB that directs traffic into the cluster

Service

Deploys K8s Node Port Service that directs traffic into Hello_World deployment pods

Deployment

Deploys K8s Deployment set of Hello_World app image from AWS ECR

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CI/CD Pipelines

Actions Secrets:

• AWS_ACCESS_KEY_ID
• AWS_SECRET_ACCESS_KEY
• CLUSTER_NAME

Image Creation Pipeline

Builds Hello_World image and push it to AWS ECR

Triggers:

• Changes on app directory
• Manual trigger

Action flow:

1. Checkout this repository
2. Configure AWS credentials (with AWS secrets)
3. Login to ECR registry
4. Build and push image to ECR

Deploy K8s Manifests

Deploys the K8s manifests into EKS cluster

Triggers:

• Changes on k8s directory
• Manual trigger

Action flow:

1. Checkout this repository
2. Configure AWS credentials (with AWS secrets)
3. Setup kubeconfig for EKS cluster management
4. Apply manifest and get app URL
5. Output URL on job summery