Simple-web-app

My simple web app, deploy using containerization for Dev-ops learning

Tech stack

• Flask
• WGIS
• Containerization (Docker, Kubernetes, Minikube)
• SQL (Postgres)

Description

This simple webapp provided user's interface for sign up and sign in. Using Flask (python). Containerized app with docker and deploy on Kubernetes.

Deployment

• Install docker, kubernetes, and minikube

• Create namespace

kubectl create namespace webapp

• Deploy Postgres server to Kubernetes

kubectl apply -f ./k8s/database-postgres -n webapp

NOTE: Postgres server ClusterIP have to be hard coded.

• Create database following file ./db/schema.sql using provided user name and password created in k8s secret.

• (Optional) Created docker image and push to registry. Add SQL_URI (AlchemySQL connection URI) to docker enviroment variable.

• Create deployment for webapp. using created docker image (Currently my docker image)

kubectl apply -f ./k8s/web-app -n webapp

Result

• Verify deployment, service

kubectl get depolyment -n webapp

kubectl get service -n webapp

NOTE: Using minkibe tunnel if LoadBalancer not exposes External-IP