💰 Simple Bank

A modern backend system for a simple banking application, built with Go and a solid microservice architecture.

🚀 Tech Stack

• 🌐 Gin – HTTP Web Framework
• 🛢️ PostgreSQL – Relational Database
• 🛰️ gRPC – High-performance RPC framework
• 🐳 Docker – Containerization
• ☸️ Kubernetes – Container Orchestration
• ⚡ Redis – In-memory Data Store (Caching & Session)

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📦 Features

• 🏦 Account creation & management
• 💸 Secure money transfers between accounts
• 🔐 User authentication with token-based auth
• 📈 Database migrations with version control
• 📡 gRPC service for high-performance APIs
• 🧪 Unit & integration tests for reliability

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🛠️ Getting Started

1. Clone the project

   git clone https://github.com/your-username/simple-bank.git
   cd simple-bank

2. Set up environment variables

   Create a .env file:

   POSTGRES_USER=root
   POSTGRES_PASSWORD=root
   POSTGRES_DB=simple_bank
   POSTGRES_PORT=5432
   POSTGRES_HOST=localhost

3. Start PostgreSQL with Docker

   make postgres

4. Create and migrate the database

   make createdb
   make migrateup

5. Run the server

   go run main.go