Remote-Code-Executor

RCE is a Remote Code Executor, as the name suggests Is a Docker-based sandbox environment to run a code snippet. It will create a new file for each code input, execute it, delete the file and return the output. It supports major languages, i.e., C++, JavaScript and Python, and can be extended to other language support too.

Features:

• Backend APIs and logic to handle the submitted code, execute it, and return the results.
• Can be extended to an Online Code Judge and full-fledged coding/interview platform.

Tech stack:

• Node.js
• Javascript
• Docker
• Bash scripting
• Nginx
• Github Actions

Concepts Used

• Frontend and Backend were made separate for making it possible to scale them individually.
• exec function from child-processes package in NodeJS was used to execute programs.
• Application was containerized and is present on DockerHub, so that it can be used anywhere.
• Server has a Nginx Web Server front, for high performance and stability.
• HTTPS for the server was made possible by using Certbot and Lets Encrypt.
• Concepts of Functional Programming was used to make code more readable and modular.
• A CI/CD pipeline was setup using Github Actions for Quick Deployment.

Steps to Run Locally

• Clone the Repo on your local computer
• Run npm install to install all the packages

npm install

• Run npm start to start the server locally

npm start

• Now you can view the server live at http://localhost:3000

APIs

/execNode, /execCpp, execPython

Request Format

{
  "code": "console.log(\"Hello World\");"
}

Response Format

{
  "isError": "true or false based on the code",
  "output": "EXECUTION OUTPUT or ERROR",
  "message": "Error Message if there was any"
}

Basic Architecture

CI/CD Flow

Hosted Link

The server is hosted and live at rce.manish.codes