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Sinatra is a DSL (Domain Specific Language) for quickly creating web applications in Ruby with minimal effort. It is lightweight compared to full MVC frameworks; you define routes (HTTP method + URL pattern) and blocks that handle requests. It leverages Rack for middleware, supports rendering via templates, static file serving, filtering (before/after), helpers, error handling, etc. It's often used for small to medium web services, APIs, and micro-apps.
Features
- Routing via HTTP verbs (GET, POST, PUT, DELETE, PATCH, OPTIONS etc) with named and wildcard parameters
- Template rendering with support for many template engines (ERB, Haml, Slim, Markdown, Liquid, etc.)
- Filters (before / after) and helpers for common request/response logic
- Static file serving, with configuration for public folder, static headers, cache control etc.
- Error handling, lifecycle events, environment configurations (development/production/test)
- Middleware integration: can use Rack middleware, modular or classic style apps, mounting, etc.
Project Samples
Categories
Web DevelopmentLicense
MIT LicenseFollow Sinatra
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