A fast, streaming web framework for node.js patterned after WSGI/Rack
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Strata is a fast, streaming web framework for node.js that is patterned after time-honored and battle tested web application design principles pioneered in the Python and Ruby communities (see WSGI and Rack). Using Strata, developers can build highly performant web servers in a powerful, modular style that is easy to maintain and takes full advantage of the streaming capabilities and excellent I/O handling of node.js.

The core Strata distribution consists of three things:

  • A specification (see SPEC) for building applications and middleware
  • A library (see lib) with many useful utilities and middleware to aid developers in the common tasks of building applications that conform to the specification
  • An executable (see bin/strata) for running Strata applications from the command line


Using npm:

$ npm install strata

You are also free to browse or download the source at https://github.com/mjijackson/strata.


The doc directory contains a number of files that make up the Strata user manual. Each file is a chapter of the manual written in JavaScript that contains documentation about a certain feature of the framework and a code example. You can view the manual online at http://stratajs.org/manual.

Each chapter file is runnable using the Strata executable. For example, to run the first chapter, you can use the following command (after installing Strata):

$ strata doc/01_introduction.js

Then open your browser to http://localhost:1982.

The manual is written in such a way that the topics and examples discussed in higher numbered chapters build upon previous ones. Thus, it is recommended to start with lower numbered chapters when getting started with Strata and work your way up to higher ones.


To run the tests, first install vows:

$ npm install -g vows

Run all tests with:

$ vows test/*_test.js

Otherwise, run the tests for a specific module with:

$ vows test/utils_test.js


Copyright 2010 Michael Jackson

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

The software is provided "as is", without warranty of any kind, express or implied, including but not limited to the warranties of merchantability, fitness for a particular purpose and noninfringement. In no event shall the authors or copyright holders be liable for any claim, damages or other liability, whether in an action of contract, tort or otherwise, arising from, out of or in connection with the software or the use or other dealings in the software.


Strata was inspired by similar efforts in the Python and Ruby communities, namely WSGI and Rack. It borrows many code patterns from these libraries, as well as the JSGI project.

Strata's multipart parser is based on the fast parser in the node-formidable project written by Felix Geisendörfer. It is included in Strata under the terms of the MIT license.

My sincere thanks to the authors of each of these libraries for the excellent work they've done and graciously shared.