~golangweekly | Bookmarks (129)

Keep Your Apps Fast and Error-Free with Honeybadger — Honeybadger helps you fix errors, eliminate performance bottlenecks, and dig into the details faster than ever before. With support for Go, Ruby, and 8 other languages, it’s the best way to gain real-time insights into your application’s health and performance.

Maddy 0.8: A Composable All-in-One Mail Server — Can work as an MTA, accept messages via SMTP, store messages and even provide access to them over IMAP. v0.8 requires Go 1.23+ but adds support for HAProxy’s PROXY protocol and handling DNS-01 challenge records.

Centrifugo v6: A Scalable Real-Time Messaging Server — Imagine an open source, self-hosted equivalent to Pubnub or Pusher for passing messages to users of real-time apps over WebSocket, HTTP streaming, SSE, and more. It’s language agnostic, but written in Go. GitHub repo.

Go Slices: Shared Memory and append() Pitfalls — A look at some potential tripping points in Go when it comes to working with slices and sub-slices. Rob Pike’s 2013 post on the official Go blog is also a great resource on this topic.

Maps are Faster in Go 1.24 — It’s thanks to so-called Swiss Tables and you don’t need to make any changes to benefit from the new implementation. Just upgrading to Go 1.24 will unlock the gains.

Proposal: A Way to Reduce Error Handling Boilerplate with ? — A proposal to streamline error handling using a ? operator. This new syntax could reduce boilerplate by optionally handling errors and returning early or executing an error handling block.

▶  How to Build an MMO Game with Godot 4 and Go — A thirteen video YouTube series on building a multiplayer online game using the popular Godot game engine (no relation to Go) and with Go handling the backend.

Go 1.24 Release Candidate 2 Released — We’re another step down the road to the eventual release of Go 1.24, and the Go team are particularly keen for you to kick the tires of the second release candidate: “Run it in dev! Run it in prod! File bugs!” RC2 isn’t a significant jump from RC1 but the draft release notes continue to improve and...

Protect Against Bots, Fraud, and Abuse in Real Time — With WorkOS Radar you can detect, verify and block harmful behaviour, protecting your app with advanced device fingerprinting. Stop fake signups, stop free tier abuse, and stop bot attacks and brute force attempts today.

▶  Go in the Smallest of Places — A GopherCon 2024 talk about the potential and technicalities of using TinyGo to build Go-powered systems on microcontrollers.

Forgejo 10.0: A Go-Powered Self-Hosted Software Forge — Think Gitea (indeed, it’s a fork of it – more on that here) but with even more features make it a full on GitHub replacement. It powers the Codeberg platform and you can see it in action in Forgejo’s own repo. A new version 10.0 has just dropped.

asyncmachine-go: A Declarative Control Flow Library — Implements AOP and the actor model through a clock-based state machine for building autonomous, stateful workflows.

gno.land Offers Grants & Bounties for Go-Powered Decentralized Apps — App builders, Go enthusiasts, tinkerers: come and build on gno.land, a smart contract platform for a freer, fairer world.

Bunster: Compile Shell Scripts to Static Binaries — bash scripts are already quite portable, but if you want to transpile them to Go and turn them into binaries, here you go.

A Practical Example of Dependency Inversion using Plugins — An example of using Clean Architecture principles with Go’s plugin package to create an app that’s adaptable and extendable without modifying the core source code.

if got, want: A Simple Way to Write Better Go Tests — “There’s an excellent Go testing pattern that too few people know. I can teach it to you in 30 seconds” is quite the pitch. The trick is using both assignments and a comparison on a single if line to make a test easier to read — it’s even used in the standard library.

The First Newsletter Dedicated to Product Engineers — The fastest growing startups increasingly rely on product engineers. They can both figure out what to build and actually build it. Product for Engineers is dedicated to sharing the skills and strategies needed to succeed in this role.

go-mail v0.6: A Library for Sending Emails — If you’ve got email to send, go-mail can do the job. v0.6 adds support for S/IME signing, SMTP auth auto-discovery, Unix domain socket support, and a ‘quick send’ feature.

ebpf-go 0.17: A Way to Work with eBPF from Go — A pure Go library to read, modify and load eBPF programs for use directly by the Linux kernel (eBPF is a neat technology worth exploring if you’re not familiar with it yet). The new 0.17 release requires Go 1.22+ and introduces a new API to work with global variables.

go-haystack: Track Personal Devices via Apple's 'Find My' Network — An interesting way to track personal Bluetooth devices via Apple’s massive “Find My” network by way of TinyGo and a little extra hardware.

An Interactive Tour of Go 1.24 — A list of all the significant new 1.24 features. Each is accompanied by interactive, runnable examples so you can see generic type aliases in action, make (and clean up) weak pointers, play with file access, and see benchmarks for the new faster map implementation. Go 1.24 is expected to land in the next month or two, with RC2...

Realizing Why Go Reflection Restricts What Struct Fields Can Be Modified — Private (unexported) fields can’t be modified, even when using reflection. When looking at this through Rust-colored glasses, it makes more sense.

Gophers Pack: A Collection of Gopher Pictures and Design Elements — If you want some handy Go gopher themed images to use for a project, blog post, or presentation, this myriad of cute CC0 (public domainish) elements could be a big help. We use them a lot in this newsletter and Maria has recently added a variety of winter themed options.

templ: A Way to Build HTML with Go — Create components that render fragments of HTML and compose them to create screens, pages, documents, and apps. GitHub repo.