Backend Engineering With Go Udemy [verified]

Backend Engineering with Go: A Comprehensive Guide to Building Scalable and Efficient Systems

By taking this course, students can expect to learn: backend engineering with go udemy

3. Data Persistence

Backends without databases are just fancy calculators. Backend Engineering with Go: A Comprehensive Guide to

Error Handling & Logging

• Go’s explicit error returns vs panics.
• Wrapping errors with fmt.Errorf("reading config: %w", err).
• Structured logging → slog (Go 1.21+) or zerolog / zap.
• Log levels (debug, info, error) and fields (requestID, userID).

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Concurrency is Built into the DNA

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. Go’s explicit error returns vs panics