Mini-Bank

Mini-Bank is a simple banking application written in Go. The project is developed in three different ways using various architectural approaches: Corporate, Speedster, and Minimalist. Each version is optimized for different needs and priorities.

Project Overview

All versions of the project are developed for educational purposes. They are not production-ready applications. They may contain bugs, security vulnerabilities, and performance issues.

All versions of the project have the following features:

• User Management: User creation, editing, and deletion.
• Account Management: Account creation with different currencies, balance checking, and transaction history.
• Transaction Management: Deposit, withdrawal, and transfer between accounts.
• Admin Management: Admin login and user management.
• Email Management: Sending emails for admin passwordless login and transaction notifications.
• Fee Management: Fee creation and deduction from transactions.

Project Structures

1. Corporate

Features:

• Framework: Gin
• Dependency Injection: Uber/fx
• ORM: Gorm
• Logger: Zap
• Architecture: Domain-Driven Design (DDD)
• ID Management: UUID
• Monetary Calculations: shopspring/decimal
• Email: Third-party library
• Admin Login: Redis and passwordless login via email
• Documentation: Fully documented with Swagger

Purpose: To provide a business-oriented and extendable structure.

2. Speedster

Features:

• Framework: Fiber
• Database Driver: pgx
• Logger: Zerolog
• Dependency Injection: Manual
• Configuration Management: Envconfig
• ID Management: TSUID
• Monetary Calculations: cockroachdb/apd
• Architecture: Clean Architecture
• Email: Third-party library
• Admin Login: Redis and passwordless login via email
• Documentation: Swagger comments added, but no routes created

Purpose: To provide a speed-oriented and high-performance structure.

3. Minimalist

Features:

• Standard Libraries: Go standard library
• Logger: Go standard logger
• Database: SQLite
• Dependency Injection: Manual
• ID Management: int64
• Monetary Calculations: math/big.Float
• Architecture: Simple Layered Architecture
• Email: Go standard library
• Admin Login: Redis and passwordless login via email
• Documentation: No documentation

Purpose: To provide a simple and minimal structure.