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An Online Judge which allows multiple users to edit simultaneously.

License: MIT License

TypeScript 59.43% JavaScript 21.08% HTML 12.10% CSS 1.43% Python 5.29% Shell 0.67%

angular-online-judge's Introduction

Collaborative Online Judge System

This is a project to implement a web-based collaborative code editor which supports multiple users editing simultaneously.
I designed a single-page web application for coding, running, and compiling problems.
To refactored and improved system throughput, I used decoupling services based on RESTful API and loaded balancing by Nginx.

Tech Stack

Frontend: Angular2 + TypeScript + Bootstrap + Auth0 + ACE
Backend: Socket.io + Express + MongoDB + Redis + Python + Flask + AWS + Nginx + PM2

Project Architecture

Demo

Before sign-in

image1

After authentication

image2

Code excutor

image3

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