Subrahmanyam-B/online-judge

AlgoArena

An Online coding judge to solve DSA problems

About Project

• The project is divided into two parts frontend and backend
• Frontend is written in modern React, only functional components with hooks.
• Developed UI using customizable components of shadcn/ui and added Recoil.js for state management
• Used Vite for optimised build and reduced bundle size
• Backend is written using Typescript utilizing NodeJS and Express
• Followed Clean Architecture by Uncle Bob and used SOLID principles
• Used DrizzleORM to query and mutate Postgres DB.
• Deployed into Oracle Cloud Servers using Coolify for self-hosting.

Running the project locally

• Install postgreSQL if you don't have it already and create a database named algoarena.
• Clone the repository git clone git@github.com:Subrahmanyam-B/online-judge.git
• Create an .env files in both online-judge/frontend and online-judge/backend folders.
• In online-judge/frontend/.env add

VITE_API_URL = 'http://localhost:9000'

• In online-judge/backend/.env add

DB_URL = 'postgresDB_URL'
REFRESH_TOKEN_SECRET = 'random'
ACCESS_TOKEN_SECRET = 'random'

• cd backend && npm i && npm run dev
• cd ../frontend && npm i && npm run dev
• App should now be running on http://localhost:8080/

Contributing

Fork the repository and create PR if you have done any fixes or improvements. contributing guideines (will be added soon.)