A comprehensive, no-fluff reference of essential Docker commands. Learn how to build, run, tag, inspect and manage containers, images, volumes, networks and registries. All in one place. Ideal for both beginners and seasoned developers who want a fast and practical guide.
Build a serious Raspberry Pi cluster, no tower stacks, no tangled cables.
I’ll show you how I mounted 8 Raspberry Pi 5s in a rack with NVMe storage PoE support, ran production-grade workloads with Kubernetes and gRPC and matched $500/month cloud performance for a fraction of the cost.
Use time.After in Go to implement simple timeouts for quick operations and fallback logic — no context required, just clean and effective control.
Learn how to run periodic logic directly within your services using Go’s time.Ticker. Perfect for tasks that live and die with your process.
Learn how to use context.WithCancel in Go to gracefully stop services, handle OS signals and build apps that shut down cleanly. A must-know for production and interviews.
Learn how to use context.WithTimeout in Go to set deadlines, limit execution time and make your apps more resilient to delays and slow operations.
