aman246149 / Online-judge

Open source online judge based on MERN stack and Docker.

Online-Judge

An Online-judge system based on Node and React (MERN Stack).

Features

• Authentication and Authorization (includes Email verification)
• Submit your code
• Test your code
• Results shows Time (Sec) and Memory (MB)
• Verdicts
  • Time Limit Exceeded (TLE)
  • Memory Limit Exceeded (MLE)
  • Compilation Error (CE)
  • Runtime Error (RTE)
  • Wrong Answer (WA)
  • Accepted (AC)
• See your submissions
• Filter problems based on tags
• Search problems by name
• Create Coding Problems
• Dashboard for Statistics
• Forgot password
• Contest
• Leaderboard
• Download Submissions
• Two-factor authentication
• OAuth login with Google, Facebook, and Github
• Problem upvotes and downvotes
• Specific blogs for posts and tutorials

Supported Languages

• C
• C++ 11/14/17 (GCC)
• Java 8
• Python 3

Prerequisite

• Docker Desktop
• Node.js

Env Variables

Create a .env file in then root and add the following

Make Sure to connect to gmail api at google developer console

PORT = 5000
MONGO_URI = your mongo url
JWT_PRIVATE_KEY = your JWT token
EMAIL_ID = your email Id 
PASSWORD = password for email Id
EMAIL_SECRET = your email secret
CLIENT_ID = your client Id
CLIENT_SECRET = your client secret
REDIRECT_URI = https://developers.google.com/oauthplayground
REFRESH_TOKEN = your refresh token

Setup Locally

Make sure to install docker in your machine.

Start Docker Desktop

git clone https://github.com/jojozhuang/online-judge-mean.git
cd online-judge

Client

Change BACK_SERVER_URL="http://localhost:5000" in client/src/config/config.js

cd client
npm install
npm start

Server

Change PATH_INIT={{Path to Server Directory}} in server/judge/judge.js

cd server
mkdir submissions
npm install
cd docker
docker build -t <Image_Name> .
cd ..
npm start

Make sure to start Docker Desktop before the command npm start.

🎉 And that's it! You will now be able to visit http://localhost:3000/ URL and see your application up and running.

Snapshots

SignIn

SignUp

Problem Page

Results

User Submissions

User Submission Modal

Dashboard Charts

Dashboard Charts

Seachbox, Tags and Filter

Thanks

• I'd appreciate a star if you find this helpful.

License

MIT