Harness the power of functions to build composable rack applications
summary
Explains how web_pipe turns Rack's two-way middleware model into a one-way pipeline of functions that take and return the same connection struct, letting steps compose and short-circuit; shows real code using Rack middleware, dry-container, dry-transformer, dry-validation and Hanami 2 integration; builds a working to‑do example with repository, a transaction bound by dry‑monads, sessions, CSRF and flash, and demonstrates that the composed application runs and replaces ad‑hoc controller plumbing.
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chapters (5)
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