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في هذا الدرس

list what a gateway does for a set of services.

الموضوعات المخطط لها

• A gateway is the single public entry point in front of services.
• Routing: /api/orders/** goes to orders, /api/products/** to catalog.
• Cross-cutting edge concerns in one place: TLS termination, authentication, rate limiting, CORS, request logging, correlation ids.
• Hides internal topology: clients do not know service names or ports.
• Cost: an extra hop, an extra thing to scale and keep highly available.