Hilo

Minimal real-time chat with WebSocket.

Architecture

Design Pattern: Domain-Driven Design + Clean Architecture
Dependency Injection: Google Wire
Real-time Communication: WebSocket (Gorilla)
State Management: Riverpod

Layers

Presentation → Application → Domain ← Infrastructure
    (HTTP)      (Use Case)   (Entity)   (Postgres/WS)

Features

• JWT authentication
• User search
• One-to-one chat rooms
• Real-time messaging via WebSocket
• Message persistence
• Read receipts

Tech Stack

• Golang 1.25, PostgreSQL 15, WebSocket
• Flutter 3.35, Riverpod, web_socket_channel