zkt25/sk1

Blog Application - Deployment on Azure AKS

Application Description

A simple Flask blog app allowing users to create, view, and delete articles. Articles are stored persistently in PostgreSQL.

Cloud & Technologies Used

• Cloud: Microsoft Azure (AKS for orchestration, ACR for Docker images)
• Stack: Flask, PostgreSQL, Docker, Kubernetes
• Kubernetes Objects:
  • Namespace, Deployment (Flask), StatefulSet (PostgreSQL), PVC, Services

File Overview

File	Description
app.py	Flask app logic
Dockerfile	Defines Flask app image
requirements.txt	Python dependencies
namespace.yaml	Creates a K8s namespace
deployment.yaml	Deploys the Flask app
statefulset.yaml	Deploys PostgreSQL with persistent volume
service.yaml	Exposes app and DB services
aks-cluster.sh	Creates AKS cluster and sets up infra
prepare-app.sh	Builds image, deploys app and services
remove-app.sh	Tears down all K8s components
README.md	This documentation

Deployment Instructions

1. Set up infrastructure
   ./aks-cluster.sh

2. Deploy the app
   ./prepare-app.sh

3. Access the app
   Open the external IP in your browser (output by the script)

4. Remove everything
   ./remove-app.sh

Requirements

• Azure account, Azure CLI
• kubectl & Docker installed locally

Notes

• PostgreSQL uses a persistent volume (data survives restarts)
• The Flask app restarts automatically on failure
• All deployments are fully scripted via shell & YAML

Sources & Tools

• Flask documentation: https://flask.palletsprojects.com/
• Kubernetes documentation: https://kubernetes.io/