Posts about Go

Practical projects to learn Go: CLI, REST API, worker, Kafka consumer and file converter. With links to step-by-step tutorials.

Go benchmarks with testing.B: how to measure performance, avoid measurement errors and make practical decisions with data.

Practical comparison of Go and Python in heavy scripts, concurrency, scraping, ETL and batch processes. When the switch is worth it.

How to build a worker pool in Go with channels, context, error handling and graceful shutdown. Concurrency with limits.

Go channels explained: buffered, unbuffered, select, closing channels and common patterns. Clear concurrent communication.

How to read environment variables in Go, configure per environment, validate and separate secrets. Explicit configuration with no magic.