Ruby on Rails (Rails) is an open-source web framework built in Ruby that enables rapid development of database-driven applications. It follows the Model-View-Controller (MVC) architecture and prioritizes developer efficiency through conventions, automation, and clean code practices.

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Core Components of Ruby on Rails

MVC Architecture
Rails organizes application logic into Models, Views, and Controllers for maintainability and clear separation of concerns.

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Active Record ORM
A built-in abstraction layer enabling CRUD operations using Ruby objects instead of manual SQL queries.

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Routing System
Maps HTTP requests to controller actions using configurable and readable routing rules.

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Gems Ecosystem & Bundler
Rails integrates thousands of reusable extensions called gems and manages dependencies with Bundler for consistent environments.

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Development Philosophy

Convention Over Configuration (CoC): Rails reduces the need for configuration files by using sensible defaults and naming rules.
DRY Principle: Encourages reusable logic and avoids duplication across models, controllers, and utilities.
Testing Culture: Supports Test-Driven Development (TDD) and Behavior-Driven Development (BDD) with built-in testing tools and popular libraries like RSpec.

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Community and Ecosystem

Rails benefits from a mature global community, extensive documentation, and continuous framework improvements. Libraries for authentication (Devise), payments, authorization (Pundit), and background jobs (Sidekiq) accelerate production-ready development.

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