Dynamic Configuration

Configuration that can be updated at runtime without restart.

Running

go run main.go

Server starts on http://localhost:3040

Features

• Thread-safe configuration store
• Auto-refresh every 15 seconds
• Manual update endpoint
• Real-time config changes

Endpoints

• GET /status - View current configuration
• POST /update - Trigger configuration update

Use Cases

• Feature flags
• Rate limits
• A/B testing
• Emergency configuration changes

Pattern

type ConfigStore struct {
    mu     sync.RWMutex
    values map[string]string
}

func (cs *ConfigStore) Get(key string) string {
    cs.mu.RLock()
    defer cs.mu.RUnlock()
    return cs.values[key]
}