🚀 SolveForge – AI-Powered Online Coding Platform

SolveForge is a production-ready AI-powered online coding platform, deployed on AWS, that enables users to practice coding problems, execute solutions in real time, and learn efficiently through AI-guided assistance and video editorials. It showcases end-to-end full-stack engineering, secure authentication, scalable system design, and cloud-native deployment following industry best practices.

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🌐 Live Demo

🔗 Deployed on AWS with Custom Domain & HTTPS
👉 https://solveforge.online OR https://www.solveforge.online

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✨ Key Features

• 🧠 AI Chat Assistant (Gemini) for hints, explanations, and guided problem-solving
• ⚡ Real-time code execution using Piston API
• 🎥 Video editorial solutions for each coding problem
• 🔐 Secure authentication & logout using JWT + Redis
• 🌗 Light / Dark mode support
• 🔍 Problem search & filtering
• ☁️ AWS deployment with SSL certificate

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🧩 Supported Programming Languages

• C++
• Java
• JavaScript
• Python

(Code execution handled securely via Piston API)

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🏗️ System Architecture

Frontend (React + Monaco Editor)
↓
REST APIs (Axios)
↓
Backend (Node.js + Express)
↓
Database Layer
├── MongoDB (Users, Problems, Submissions)
└── Redis (Sessions & Logout)
↓
External Services
├── Piston API (Code Execution)
├── Gemini API (AI Assistant)
└── Cloudinary (Video Editorials)

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👥 User Roles

👤 User Capabilities

• Solve coding problems with live execution results
• Get help via AI Chat Assistant (Gemini):
  • Hints instead of direct answers
  • Concept explanations
  • Step-by-step guidance
• Watch video editorial solutions
• Read written solutions
• Toggle light / dark mode
• Secure logout using Redis-based token invalidation

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🛠️ Admin Capabilities

• Create coding problems
• Edit existing problems
• Delete problems
• Upload video editorial solutions
• Manage problem statements and solutions

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🧠 AI Chat Assistant (Gemini)

• Context-aware AI bot linked to the current coding problem
• Helps users understand:
  • Problem constraints
  • Algorithms & approaches
  • Edge cases
• Promotes learning without encouraging copy-paste solutions

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🛠️ Tech Stack

🔙 Backend

Technology	Purpose
Node.js	Runtime Environment
Express.js	Web Framework
MongoDB	NoSQL Database
Mongoose	MongoDB ODM
Redis	Session Store & Logout Handling
JWT	Authentication
Piston API	Code Execution Engine
Gemini API	AI Assistant
Cloudinary	Video Editorial Storage

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🎨 Frontend

Technology	Purpose
React	UI Framework
Vite	Build Tool & Dev Server
Monaco Editor	Code Editor
React Router	Navigation & Routing
Redux	State Management
React Hook Form	Form Handling
Zod	Schema Validation
Axios	HTTP Client
Tailwind CSS	Styling
DaisyUI	UI Components
Lucide React	Icons

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☁️ Deployment

• AWS EC2
• Custom Domain
• SSL Certificate (HTTPS)
• Environment-based configuration

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🔐 Environment Variables

Create a .env file inside the backend directory:

PORT=3000
DB_CONNECT_STRING = mongoDB_connection_string

JWT_KEY= your_jwt_key

# Redis
REDIS_PASS= your_redis_password
REDIS_HOSTID  = your_redis_hostId

# Gemini AI
GEMINI_KEY = gemini_api_key

# Cloudinary
CLOUDINARY_CLOUD_NAME = your_cloud_name
CLOUDINARY_API_KEY = your_api_key
CLOUDINARY_API_SECRET = your_api_secret

⚙️ Local Setup

1️⃣ Clone Repository

git clone https://github.com/anmol-tripathi83/SolveForge-Coding-platform

2️⃣ Backend Setup

cd backend
npm install
npm run dev

3️⃣ Frontend Setup

cd frontend
npm install
npm run dev

📊 Performance & Metrics

• 🚀 Supports 100+ concurrent code executions using scalable API design
• 🔐 Redis-based logout prevents token reuse
• ⚡ Optimized API response times
• 🌐 99.9% uptime on AWS with HTTPS

📸 Screenshots

🔐 Authentication – Login

User login page with secure JWT-based authentication.

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🔐 Authentication – Signup

User registration page with validated form inputs.

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🏠 Home & Problem Listing

Problem dashboard with search, filtering, and light/dark mode support.

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💻 Code Editor & Execution

Monaco-based code editor with real-time code execution using Piston API.

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🧠 AI Chat Assistant (Gemini)

AI-powered chat assistant providing hints, concept explanations, and guided problem-solving for the current coding question.

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🎥 Video Editorial Solution

Video editorial explaining optimal approaches, edge cases, and solution strategies.

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🛠️ Admin Panel

Admin dashboard for creating, editing, deleting coding problems and managing video editorial solutions.

🎯 Why SolveForge?

SolveForge combines AI guidance, editorial learning, and real-time execution into a single platform — showcasing strong skills in:

• Full-Stack Development
• System Design
• Secure Authentication
• Cloud Deployment
• AI Integration

👤 Author

Anmol Tripathi
🔗 GitHub: https://github.com/anmol-tripathi83
🌐 Live Project: https://solveforge.online