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About rails/rails
Ruby on Rails is a comprehensive web application framework written in Ruby that implements the Model-View-Controller (MVC) architectural pattern. It provides an integrated suite of tools and libraries for building database-backed web applications, allowing developers to work with models that represent domain entities, views that render user-facing templates (typically HTML with embedded Ruby), and controllers that handle HTTP requests and coordinate the interaction between models and views.
The framework includes numerous specialized libraries beyond its core MVC components. Active Record provides object-relational mapping for database interactions, while Active Job enables background job processing across multiple queuing backends. Additional libraries handle email generation and receipt through Action Mailer and Action Mailbox, real-time communication via Action Cable with WebSockets integration, file attachments through Active Storage, rich text content with Action Text, and email composition with Action Mailer. Action View manages template rendering, and Active Support offers utility classes and standard library extensions.
Rails is designed for rapid application development with sensible defaults and convention-over-configuration principles. Developers can create new applications through command-line generators, start a development server immediately, and access comprehensive guides and API documentation. The framework is flexible enough that its individual components like Active Record, Active Model, and Action Pack can be used independently outside of Rails. The project is open source under the MIT License and actively welcomes community contributions.