Go Core Knowledge Full Reference : See advanced.md for concurrency patterns (worker pool, semaphore, fan-out/fan-in), production readiness, structured logging, graceful shutdown, context usage, health checks, testing patterns, HTTP client best practices, and database connection pooling. Deep Knowledge : Use with technology: for comprehensive documentation. Goroutines and Concurrency Basic Goroutine Core Principle "Do not communicate by sharing memory; instead, share memory by communicating." --- Channels Unbuffered Channel Buffered Channel Channel Direction Select Statement --- Interfaces Int…