Chit Chat - Backend Services

A backend services for a social networking application, built with .NET Core and deployed using Docker & AWS. This repository includes all the RESTful APIs and logic required to support core functionalities of the social network, including a Recommendation System and Real-Time Communication via WebRTC.

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✨ Features

• Feeds: Personalized newsfeed based on user activity.
• Notifications: Real-time notifications for interactions.
• Real-Time Communication: Audio/video calls and real-time chat powered by WebRTC.
• Recommendation System: Personalized suggestions for friends, groups, or content using collaborative filtering and user activity analysis.
• Search: Search for users, posts, or hashtags.
• Secure Authentication: Token-based authentication using JWT.
• Social Interactions: Follow/unfollow, posting, and commenting.
• User Management: Registration, login, and profile updates.

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🛠 Tech Stack

• Framework: .NET Core (Clean Architecture)
• Database: Amazon Aurora MySQL
• Authentication: JWT (JSON Web Token)
• Recommendation System: Content-based and Collaborative Filtering (e.g., Matrix Factorization, User-Item Similarity)
• Real-Time Communication: WebRTC, SignalR
• Containerization: Docker
• Other Tools: Entity Framework Core, AutoMapper, FluentValidation

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🚀 Installation Guide

Prerequisites

• Install Docker
• Install .NET Core SDK

Steps

1. Clone the repository:

   git clone https://github.com/thanhpt1110/chit-chat-backend
   cd chit-chat-backend

2. Set up environment variables: Create a .env file in the ChitChat.WebAPI directory with the following content:

   SecretKey =  # The secret key used for signing and verifying tokens
   TokenValidityInDays =  # The number of days the token is valid
   RefreshTokenValidityInDays =  # The number of days the refresh token is valid
   Issuer =  # The issuer of the token
   Audience =  # The audience for whom the token is issued
   CloudinaryCloudName =  # The Cloudinary cloud name
   CloudinaryApiKey =  # The Cloudinary API key
   CloudinaryApiSecret =  # The Cloudinary API secret key

3. Build and run with Docker:

   docker-compose up --build

4. Access the application:

   The backend will be running on http://localhost:8080.

5. Build and run with Docker:

   Visit http://localhost:8080/swagger/index.html to explore the API endpoints using Swagger UI.

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🤝 Authors

Nguyễn Phúc Bình

Phan Tuấn Thành

Lê Thanh Tuấn