Backend Development

Go backend development guide.

Sections

Topic	Description
Project Structure	Directory organization
Models	Go struct patterns for database entities
DTOs	Request/Response data transfer objects
Handlers & Services	HTTP handlers and business logic
Authentication	Session authentication middleware
Migrations	Database migration scripts

Key Patterns

Domain Module Structure

Each domain follows a consistent 6-file pattern:

internal/domain/{name}/
├── model.go       # Database entity structs
├── dto.go         # Request/Response DTOs with validation
├── repository.go  # Data access layer (SQL queries)
├── service.go     # Business logic layer
├── handler.go     # HTTP request handlers
└── routes.go      # Route registration

Quick Reference

Each domain follows a consistent 6-file pattern documented in the sections below.