---
title: "Anatomy of a log/slog logger"
url: https://daily.dev/posts/anatomy-of-a-log-slog-logger-w2tt413mm
source_url: https://boldlygo.tech/archive/2026-04-01-anatomy-of-a-log/slog-logger
type: article
source: "Boldly Go"
published: 2026-05-31T07:49:37.042Z
updated: 2026-05-31T09:06:18.679Z
tags: ["architecture", "golang"]
reading_time: 2
upvotes: 0
comments: 0
language: en
---

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# Anatomy of a log/slog logger

**[Boldly Go](https://daily.dev/sources/boldlygo)** · 2 min read · 0 upvotes · 0 comments

## Summary

An exploration of the two-tiered architecture of Go's log/slog package, comparing it to the database/sql driver pattern. The package separates the slog.Logger (consumed by applications) from the slog.Handler interface (implemented by custom backends), following a ports-and-adapters (hexagonal) architecture. The post introduces how these two interfaces interact and sets the stage for a series on writing custom slog handlers.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://boldlygo.tech/archive/2026-04-01-anatomy-of-a-log/slog-logger>

## Similar posts on daily.dev

- [slog Handler methods](https://daily.dev/posts/slog-handler-methods-rd0bqycf1) · Boldly Go · 10 upvotes · 0 comments

---

Tags: [#architecture](https://daily.dev/tags/architecture), [#golang](https://daily.dev/tags/golang)

[View this post on daily.dev](https://daily.dev/posts/anatomy-of-a-log-slog-logger-w2tt413mm)