At GopherCon Africa 2026, one of the concepts that caught my attention during the Go workshop was Domain-Driven Design (DDD).

The idea is simple: your code should reflect the problem you're trying to solve, not just the technology you're using.

But what does that actually mean when you're writing Go?

Let's use a simple example.

* What is Domain-Driven Design?

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DDD is an approach to software development that focuses on understanding the business problem before deciding how to build the solution.

Imagine we're building a smart irrigation system to help farmers determine when their crops need water.

Our application might involve sensors, a database, and an API.…