#​452 — March 17, 2023

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The Go Weekly Newsletter

FlameScope: Visualize CPU Samples from Go Execution Traces — FlameScope is a performance visualization tool from Netflix using flame graphs that can now be used with Go 1.19 thanks to a patch and this work from Felix. “Please note that this is still relatively experimental..”

Felix Geisendörfer

The slog / Structured Logging Proposal is Accepted — Russ Cox has marked the structured logging with levels proposal (a.k.a. ‘slog’) as accepted – nonetheless, discussion continues.

Russ Cox

In other proposal related news, Russ also ticked the WebAssembly System Interface / WASI target proposal.

Don’t Let Your Issue Tracker Be a Four-Letter Word. Use Shortcut — The best issue tracking software is one that software developers are actually happy to use.

Shortcut (formerly Clubhouse.io) sponsor

A Comprehensive Guide to Structured Logging in Go — Further to the recently accepted proposal (above), this post takes a practical approach comparing the structured logging approach to log, how slog addresses its limitations, how to get started with slog, as well as some alternatives you might still want to consider.

Better Stack Team

The One-and-Only, Must-Have, Eternal Go Project Layout? — The author notes this is a misleading title because there’s no such thing as a single way to do it. Nonetheless, there are some things you can do to structure projects well, he says.

Christoph Berger


Real World Go Concurrency Examples — Not sure we can ever have enough of these examples, and here you’ll see blocked select statements, time.Sleep deadlocks, and how easy the new atomic types can make your concurrent life.

Jason Fulghum (DoltHub)

Reverse Proxy with Dynamic Backend Selection — The example uses Caddy and encodes information into a JWT to route customers to the appropriate backend server, all in just a few lines of code.

Artur Rodrigues

Run Your First Temporal Application with the Go SDK — Enjoy this 10-minute tutorial to explore several runs of a Temporal Workflow application using Temporal and the Go SDK.

Temporal Technologies sponsor

Advanced Markdown Processing in Go — Using gomarkdown/markdown.
Krzysztof Kowalczyk

How to Embed a Tailscale Funnel in Your App

🛠 Code & Tools

Task 3.22.0: Task Runner / code Alternative — This week’s notable addition is the support for global tasks defined in your home directory, letting you have automations you can run from anywhere on your system. Official homepage.

Andrey Nering

Scale: Write-Once, Run Anywhere Functions via WebAssemblyScale is a new WASM-powered function runtime that wants to eventually open up an agnostic development model across languages and clouds (so imagine building a function that could work locally, on CloudFlare Workers, or AWS Lambda without changes). Go is the first language supported both as a client and runtime.

Loophole Labs

Revive 1.3: A Fast(er), Configurable, Flexible Linter for Go — A drop-in replacement of golint that aims to provide a little more structure, configurability, and performance.

Minko Gechev

New Trending Content: Try Knative (Free Course) — In this free course, you'll learn how to deploy serverless containerized applications on Kubernetes by using Knative.

Akamai Connected Cloud sponsor

Chi: Popular Composable Router for Go HTTP Services — Good at helping you write large REST API services that are kept maintainable as your project grows and changes.


dynamodbav: Marshal/Unmarshal Utility Functions for DynamoDB — A (very) simple complement to the official AWS SDK v2 for Go. Using generics lets you save a lot of boilerplate code when marshalling and unmarshalling Go types into their DynamoDB representations.

Ryan Collingham

Logarithmotechnia: R-Inspired Dataframe Library for Go


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