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0+ curated questions with the same answer shape every time: quick recap, deep dive, pitfalls, and follow-ups. Coverage includes .
Echo and Chi are the two most common Go web framework alternatives to Gin. This module covers Echo's design philosophy (the echo.Context interface centralising request/response, middleware as echo.MiddlewareFunc, built-in binder supporting JSON/XML/form/query, echo.Validator interface for custom validation), and Chi's different philosophy (Chi is a router that speaks net/http natively — every handler is an http.Handler, no custom context type, every piece of middleware in the ecosystem works without adapters). The framework comparison questions are what interviewers reach for: 'why would you choose Chi over Gin?' (answer: Chi handlers are 100% compatible with the stdlib middleware ecosystem; Gin has a custom Context type that breaks compatibility), 'why would you choose Echo over Gin?' (answer: Echo's interface-based binder is more flexible; middleware composition is cleaner). Every answer includes real production trade-off reasoning.
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