GoLang on Support Tools

Building Cost-Efficient Go Applications: From Always-On to On-Demand

Tue, 28 Jul 2026 09:00:00 -0500

Cloud providers promise you’ll only pay for what you use. Yet most organizations still architect applications with an always-on mindset, leaving containers running 24/7 and resources provisioned regardless of actual demand. This guide shows how to implement truly cost-efficient Go applications through serverless and event-driven patterns.

Observability for Go Microservices in Kubernetes: Implementing Logging, Metrics, and Tracing

Tue, 30 Jun 2026 09:00:00 -0500

In today’s complex distributed systems, particularly microservices deployed on Kubernetes, understanding what’s happening inside your applications is crucial. This article provides a comprehensive guide to implementing observability in Go microservices through structured logging, metrics collection, and distributed tracing.

Monolith vs. Microservices in Go: Making the Right Architectural Choice

Thu, 25 Jun 2026 09:00:00 -0500

Choosing the right architectural approach—monolithic or microservices—is one of the most consequential decisions you’ll make when building Go applications. This guide explores both architectures through a Go-centric lens, providing concrete examples and practical advice for making the best choice for your specific situation.

Building a Go Microservice with MongoDB and Docker: A Developer's Guide

Tue, 23 Jun 2026 09:00:00 -0500

Developing microservices locally can be challenging, especially when dealing with databases and their dependencies. This guide demonstrates how to create a robust Go microservice that interacts with MongoDB, all containerized with Docker for a consistent development experience.

Building Scalable Kubernetes Operators in Go: Breaking Through ETCD Limitations

Thu, 11 Jun 2026 09:00:00 -0500

Kubernetes operators have revolutionized how we manage applications on Kubernetes, but they face significant scalability challenges when dealing with large datasets due to ETCD’s limitations. This article explores patterns and solutions for building truly scalable operators in Go, with practical approaches to handle high-volume data requirements.

Go For Fun: Sequence Breaking using For

Fri, 13 Oct 2023 15:50:00 -0500

Using early return is a well-known Go programming language trait.

A function must return early, as soon as possible, whenever it encounters errors. That way, there is only one possible happy path: reaching the end of the function. Thus, if you have multiple ways of achieving that happy path, it is recommended to break it apart into two different functions.

Consider this example snippet:

go
func DoSequence(input Input) (result string, err error) {
 // Do A
 if input.FieldA == "nothing" {
 return "", errors.New("Error A")
 }
 // Do B
 if input.FieldB == "nothing" {
 return "", errors.New("Error B")
 }
 // Do C
 if input.FieldC == "nothing" {
 return "", errors.New("Error C")
 }
 // All done!
 return "success", nil
}

In the above snippet, whenever the execution reaches a failure condition (the if statement for each Do A, Do B, etc), it returns early by sending the error message. So, the result is only accessible if we pass all these early returns. As you can see, this gets very verbose quickly. But people like them because the execution order is flat and linear.