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io.Reader Composition: Build a Logging Pipeline From Stdlib Pieces

DEV Community·Gabriel Anhaia·28 days ago
#VXZaMdvV
#when#go#http#body#writer#bytes
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Book: The Complete Guide to Go Programming Also by me: Thinking in Go (2-book series) — Complete Guide to Go Programming + Hexagonal Architecture in Go My project: Hermes IDE | GitHub — an IDE for developers who ship with Claude Code and other AI coding tools Me: xgabriel.com | GitHub A team I worked with kept asking the same question every sprint. They had an HTTP service that accepted webhook payloads from a partner and forwarded them to an internal billing API. Compliance wanted a copy of every request body archived to disk, gzipped, with a line-by-line audit log to stdout for debugging. The first attempt pulled in three libraries, a goroutine pool, and a Kafka producer. None of it worked end to end after a week. The second attempt threw the libraries away and used four types from the Go standard library. It shipped in an afternoon. The whole pipeline came in around fifty lines. Forget the audit log for a second.…

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