When I say “testable code”, what I mean is code that can be easily programmatically verified. We can say that code is testable when we don’t have to change the code itself when we’re adding a unit test to it. …

API clients are very helpful when you’re shipping your REST APIs to the public. And Go makes it easy, for you as a developer, as well as for your users, thanks to its idiomatic design and type system. But what defines a good API client? In this tutorial, we’re going…

I always wanted to find a good use case of Google Home to make some DevOps tasks funnier. For example voice deployments, system metrics, etc. Since I use Kubernetes a lot, I thought it would be fun to control it via voice commands. So I decided to develop this Action…

If you are running HTTP server and want to rate limit requests to the endpoints, you can use well-maintained tools such as github.com/didip/tollbooth. But if you’re building something very simple, it’s not that hard to implement it on your own. There is already an experimental Go package x/time/rate, which we…

This post is a text version of packagemain #6: Building Desktop App in Go using Wails video. As we all know, Go is mostly used to build APIs, web backends, CLI tools. But what’s interesting is that Go can be used in places we were not expecting to see it. …

This is a text version of this video: packagemain #11: Getting started with OAuth2 in Go. Getting started with OAuth2 in Go Authentication usually is very important part in any application. You can always implement your own authentication system, but it will require a lot of work, registration, forgot password form, etc. …

Applications with database layer mostly need to execute database migration as part of its deployment process. Usually, running migrations is the first step when deploying the application. I tried different tools to run migrations, I used goose for a while, but later switched to migrate, which supports a lot of…