Generics Can Make Your Go Code Slower (Sometimes...) — It’s not as negative as it sounds. This is a deep and informative article that looks at compiler output for various generic and non-generic examples along with benchmarks that lead to a solid list of ‘dos and don’ts’ when it comes to using generics in your Go code.

Vicent Marti (PlanetScale)

Writing a Document Database From Scratch in Go — Now this is what we’re always here to see. A data tooling expert (who also happens to have once worked at Oracle) digging into the fundamentals of creating a database in Go. Get inspired, get building, and join the pantheon of database creators.

Phil Eaton

The Modern Guide to OAuth - Free eBook — Learn how OAuth is actually used in the real world. We cover topics like the eight common OAuth modes, how to use the Authorization Code grant, and why you should never use the implicit grant. Become an OAuth expert today.

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How Go Mitigates Supply Chain Attacks — Packaging systems are increasingly becoming a vector for security vulnerabilities and attacks, as perhaps most often seen recently in the JavaScript / npm ecosystem (example). Go isn’t immune to this but has some qualities that “help mitigate risk at various stages”, as explained here.

Filippo Valsorda

Using the GPU Cores on Apple's M1 from Go — The hacker spirit is immediately on display here: “Since I paid for those extra GPU cores, I thought I should know how to use them…”

Adrian Hesketh

Building Microservices in Go with Fiber — Fiber is a Fasthttp-powered Go web framework inspired directly by Node’s Express.js (and therefore, indirectly, Ruby’s Sinatra).

Subha Chanda

How We Used Go 1.18 When Designing Our Identifiers — This isn’t something that demands generics, but they found them a way to improve an abstraction.

Dominic Black

Ffuf 1.4.0: Fast Web Fuzzer Written in Go — This is for testing systems/apps of your own, of course, but will let you quickly fuzz POST data, URL parameters, paths, and more. (Fantastic logo, BTW.)

Joona Hoikkala

TableFlip: Graceful Process Restarts in Go — You’ve got an app running as a service and you want to restart it without disrupting existing connections – here’s one way to pull it off.

Cloudflare

Debug Go Apps Without Stopping Them in Prod. Try Rookout Free Today

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Thanos: A Prototype Ruby to Go Transpiler — Very early days here but I like the idea (yes, we have a sibling Ruby newsletter which makes this particularly special!)

Jonathan Paul Lukens

usql 0.10.0: A Universal CLI Tool for Databases — It’s inspired by psql, but adds some more features and supports tons of databases, both relational and NoSQL.

Kenneth Shaw

go-version: A Version Number Parsing and Verification Library — This is for when you need to do things like verify version numbers against constraints (e.g. is 1.2 >= 1.0, < 1.4). It can also parse, sort, and compare version numbers.

HashiCorp