Many courses stop at a simple To-Do API or a calculator. A real backend engineering course builds a production-grade system.

srv := &http.ServerAddr: ":" + port, Handler: router
go srv.ListenAndServe()
<-ctx.Done()
srv.Shutdown(context.Background())

A great Udemy course gets you to 80%. You need the last 20%:

This is Go's killer feature. Goroutines (lightweight threads) and Channels allow you to handle tens of thousands of simultaneous requests without breaking a sweat.

A backend engineering with go udemy course must dedicate at least 30% of its runtime to concurrency patterns.

After reviewing the current Udemy landscape (and taking many myself), here is the best path:

The Gold Standard: "Backend Master Class [Golang / Postgres / Docker / Kubernetes]" by Stephane Maarek (and team).

The Deep Dive: "Understanding Go Context, Concurrency, and Channels" (Various authors).

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