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API Gateway in Microservices

senior15 мин

The client (browser, mobile) is unaware of the internal service topology. It connects to a single entry point.

Почему так?

Without a gateway you have N×M connections: every client knows the address of every service. Changing one service breaks all clients.

Антипаттерн

Direct calls from the client to microservices. This leaks the internal topology.

Прогресс1 / 5

ClientBrowser / Mobile

API GatewayKong / Nginx

Auth ServiceJWT / OAuth2

JWTOAuth2Redis

User ServiceREST API

Node.jsPostgreSQL

Order ServiceREST API

GoPostgreSQL

Users DBPostgreSQL

PostgreSQL

Orders DBPostgreSQL

PostgreSQL

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Single entry point — the client is unaware of internal services