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Express authentication using Redis for session store and Couchdb for database (in coffeescript!)

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AAnsonT
Last edited Jul 20, 2011
Created on Jul 20, 2011

This example demonstrates user authentication and session management in a CoffeeScript-built Express application, showing how login, signup, and logout routes handle password hashing and session regeneration. The code uses Redis as the session store via `connect-redis` and CouchDB for user persistence through the `couchdb` client, with CSRF protection from `express-csrf` and password salting via `hash.sha1`. The visualization highlights the request flow across these middleware and database calls, including error handling for duplicate users and failed logins, while relying on the Fugue cluster for deployment.

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