MicroK8s Playground

Motivation

This repository is a playground for me to experiment with Kubernetes and its ecosystem. It is a full stack application with a Spring Boot backend, a SvelteKit frontend, and a Keycloak server for authentication.

Features

• GraphQL API
• SSO Authentication
• SSL Encryption using Let's Encrypt and cert-manager
• WebSocket based live chat

Backend

Deployed at api.k8splay.xyz

• Reactive Spring Boot with WebFlux and Kotlin
• Persistence with R2DBC and MongoDB
• Authentication and Authorization using Keycloak and oAuth2
• GraphiQL available at /graphiql

Frontend

Deployed at k8splay.xyz

• SvelteKit
• ShadCN and TailwindCSS for styling
• Houdini GraphQL client for SSR
• Authenticated routes
• All pages support SSR with in-cluster backend requests

Keycloak

Deployed at accounts.k8splay.xyz

• Optimized Docker image
• Persistence with PostgreSQL
• Custom theme

DevOps

Deployed at <PR>.test.k8splay.xyz. Please replace <PR> with the PR number, e.g. pr-1.test.k8splay.xyz. The API is deployed at api.<PR>.test.k8splay.xyz.
The deployment is automatically deleted when the PR is closed.

Implemented using GitHub Actions:

• Automated prod deployment
• Automated test deployments on pull requests
• Automated linting and testing