BackendWebApplicationwithNestJS

Developed a TypeScript backend web application with user account management, authentication, and real-time chat functionality.

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Overview

This project involved the development of a robust backend web application using NestJS and TypeScript. The application features comprehensive user account functionalities, secure authentication, friendship management, and a real-time chat system. The project also included database schema design and Docker orchestration for deployment.

Challenges

•Designing a scalable architecture for user management and real-time communication
•Implementing secure authentication and authorization
•Creating an efficient database schema for complex relationships
•Building a responsive real-time chat system
•Containerizing the application for consistent deployment

Solutions

•Utilized NestJS framework for a modular, maintainable codebase
•Implemented JWT-based authentication with role-based access control
•Used Prisma ORM for type-safe database operations and schema management
•Created WebSocket-based chat system for instant message delivery
•Orchestrated the application with Docker for consistent environments

Results & Impact

•Successfully implemented all user account functionalities with secure authentication
•Created an intuitive friendship management system
•Developed a responsive real-time chat with message persistence
•Established efficient database schema for optimal data organization
•Achieved consistent deployment through Docker containerization

Technologies Used

Backend Framework

NestJS

TypeScript

Node.js

Express

Database & ORM

Prisma

PostgreSQL

Database Schema Design

Authentication & Security

JWT

Bcrypt

Role-based Access Control

Real-time Communication

WebSockets

Socket.io

Event-driven Architecture

Deployment

Docker

Docker Compose

Container Networking

Screenshots & Visuals

API endpoint documentation and testing interface

Database schema visualization

Real-time chat system architecture