Simple Python App CI and K8s Deployment Flow

About

This repo contains simple python flask app ci processs, deployment to kubernetes minikube and guide of environment setup

Tools List

Github
Linux Ubuntu
Jenkins
Docker
Minikube
HelmChart
Nginx

Improvement plan

Automate Linux OS stuff with Ansible
Prepare docker-compose for Local development
Use Nexus or Harbor for Docker images and Helm Charts
Add Testing stages CI/CD - unit, integraation, e2e and contract testing
Implement makefiles for easy management repo
Implement Sops encryption for encrypt sensitive data in under repo
Use kaniko for bulding docker image without need docker daemon
Impelement Security in CI/CD (Sonarqube, Docker,Code Scanning and Owaps10 after deploy)
Multibranh pipeline and shared libs with groovy in jenkins and implement conditional based branch deploy(GitFlow, Trunk Based Development)
Notify Jobs Status to Slack
Get Jenkins Credentials and App credentials from Hachicorp Vault

Local App Testing

git clone https://github.com/verticaio/k8sdeploy.git
docker build -t python-flask-docker .
docker run --name python-flask-docker   -d -p 8080:8080 python-flask-docker  
curl http://localhost:8080

Technical steps

# Login to Linux VM
git clone https://github.com/verticaio/k8sdeploy.git
cd k8sdeploy/infra/setup 
chmod +x public_nginx.sh setup-req.sh
./setup-req.sh

Configure Jenkins UI, install required plugins and .etc.
Deploy App minikube k8s from jenkins
Apply Nginx Configuration for accesing from web browser

# Login to Linux VM
cd k8sdeploy/infra/setup 
./public_nginx.sh

Open browser and go to below links

Jenkins Endpoint
App Endpoint

Pipeline trigger flow

Jenkins Webhook triggered when you push something to main branch of repo.

Have fun :)