The Basics of Rack for Ruby
SMRTR summary
Rack is a crucial interface between Ruby web applications and servers, enabling compatibility between various frameworks and servers. It standardizes how requests and responses are handled. While Rack 2 had limitations for persistent connections like WebSockets, Rack 3 introduced changes to address this. A basic Rack app consists of a call method that processes requests and returns responses. Popular frameworks like Rails and Roda are Rack-compliant, allowing developers to access low-level Rack functionality when needed.
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