🧠 LetsGo – Tag-Based Chatting App

---

🎯 Real-time chat app that matches users based on shared tags using Go, Redis (Lua), WebSockets, and gRPC.

🎥 Watch Demo on YouTube

🔗 Connect on LinkedIn

---

✨ Features

• ✅ Tag-based user matching with Redis Bitmaps & Lua scripting
• 🔌 Real-time WebSocket chat between matched users
• 🎯 gRPC-based microservice communication
• 🚀 Clean Architecture + Docker-ready
• 🔄 FIFO fallback matching logic
• 🧩 Ready for scaling with audio/video service modules

---

🧠 Architecture

                   +------------------+
                   |  Client (Web)    |
                   +--------+---------+
                            |
                            ▼
                   +--------+---------+
                   |  Chatting Service |
                   | - WebSocket       |
                   | - Usecase Logic   |
                   +--------+---------+
                            |
                            ▼ gRPC
                   +--------+---------+
                   | Matching Service |
                   | - Redis + Lua    |
                   | - Tag Matching   |
                   +------------------+

---

🛠️ Tech Stack

Go 1.22

Docker

Redis + Lua

Node.js

TypeScript

gRPC

Lua

---

🚧 Upcoming

• 📹 Video/Audio calling modules via dedicated microservice
• 🌐 Admin dashboard & analytics
• 🔒 Secure match flow with JWT/Auth

---

📦 Setup

git clone https://github.com/RoyRoki/LetsGo
cd LetsGo
docker-compose up --build

Open WebSocket tester at test/chat_test.html and enjoy!

---

📬 Connect

Follow me on LinkedIn for updates & deep dives!

🎥 Watch Project Demo on YouTube