Apollo is a real-time messaging application with AI chatbot capabilities, built with modern web technologies and designed for a seamless communication experience.

Live demo: helloapollo.chat

Features

Core Functionality

• User Authentication - Secure login/registration with JWT
• Real-Time Messaging - Instant message delivery via WebSockets
• User Profiles - Customizable profiles with display names and avatars
• Conversation Management - Create, view, and delete conversations

Enhanced Features

• AI Chatbots - Chat with customizable AI personas
• Image Sharing - Send images in conversations and set profile pictures
• Typing Indicators - See when someone is typing in real-time
• Unread Message Indicators - Visual cues for unread messages
• Responsive Design - Optimized for both desktop and mobile devices
• Dark/Light Theme - Toggle between visual themes

Security Features

• Password Reset - Secure email-based password recovery
• Rate Limiting - Protection against brute force attacks
• Input Validation - Robust form validation and error handling
• Proper Data Access Control - Users can only access their own conversations

Technology Stack

Frontend

• React - Component-based UI library
• TypeScript - Type-safe JavaScript
• CSS Modules - Scoped styling solution
• Socket.io Client - Real-time client-server communication
• Context API - State management

Backend

• Node.js - JavaScript runtime
• Express - Web application framework
• TypeScript - Type-safe JavaScript
• Prisma - Type-safe ORM for database operations
• PostgreSQL - Relational database
• Socket.io - Real-time bidirectional event-based communication
• JWT - Secure authentication
• Passport - Authentication middleware
• Multer - File upload handling
• Nodemailer - Email functionality for password reset

Deployment

• Docker - Containerization
• Nginx - Reverse proxy
• Let's Encrypt - SSL certificates
• Cloudflare - DNS management and security