This repository contains a comprehensive RESTful API project built in Go, designed as a structured, modular system ideal for modern web applications. The project follows a step-by-step approach, from initial setup to deployment, covering essential backend concepts and advanced functionality.

Introduction

This project serves as a guide to building scalable, secure, and performant APIs in Go, emphasizing best practices and a modular, extensible design. Each chapter of the project adds layers of capability, reliability, and scalability to the API, enabling you to create a robust web service.

Features

• Modular Structure: Organized chapters for clear project progression.
• HTTP Server: Basic server setup with RESTful routing.
• JSON Handling: Advanced JSON encoding/decoding, including error responses and custom formats.
• Database Integration: PostgreSQL setup with connection pooling and SQL migrations.
• CRUD Operations: Complete implementation of Create, Read, Update, Delete functionality.
• Advanced CRUD: Features like partial updates, optimistic concurrency control, and query timeouts.
• Filtering and Pagination: Comprehensive data retrieval with filtering, sorting, and pagination support.
• Rate Limiting: Global and IP-based rate limiting to manage traffic.
• Graceful Shutdown: Smooth server shutdown handling.
• User Management: User registration, activation, and permission-based authorization.
• Email Notifications: SMTP setup for sending templated and background emails.
• CORS Support: Secure handling of cross-origin requests.
• Metrics Tracking: Request-level and custom metrics for monitoring performance.
• Build Automation: Makefile usage for version control and build management.
• Deployment Guidance: Step-by-step instructions for deploying on Digital Ocean.