Go Concurrency Patterns

Production patterns for Go concurrency including goroutines, channels, synchronization primitives, and context management.

When to Use This Skill

• Building concurrent Go applications
• Implementing worker pools and pipelines
• Managing goroutine lifecycles
• Using channels for communication
• Debugging race conditions
• Implementing graceful shutdown

Core Concepts

1. Go Concurrency Primitives

2. Go Concurrency Mantra

Don't communicate by sharing memory;
share memory by communicating.

Quick Start

 main

 (
    
    
    
    
)

 {
    ctx, cancel := context.WithTimeout(context.Background(), *time.Second)
     cancel()

    results := ( , )
     wg sync.WaitGroup

    
     i := ; i < ; i++ {
        wg.Add()
         worker(ctx, i, results, &wg)
    }

    
      {
        wg.Wait()
        (results)
    }()

    
     result :=  results {
        fmt.Println(result)
    }
}

 {
     wg.Done()

     {
     <-ctx.Done():
        
     results <- fmt.Sprintf(, id):
    }
}