business
intermediate

Business: Microservices Gateway

Solution Components

business
business
microservices
microservices
gateway
gateway
containers
containers
distributed
distributed

Architecture Visual

%% Autogenerated business-microservices graph TD classDef standard fill:#1e293b,stroke:#38bdf8,stroke-width:1px,color:#e5e7eb; classDef c-actor fill:#1e293b,stroke:#e5e7eb,stroke-width:1px,stroke-dasharray: 5 5,color:#e5e7eb; classDef c-compute fill:#422006,stroke:#fb923c,stroke-width:1px,color:#fed7aa; classDef c-database fill:#064e3b,stroke:#34d399,stroke-width:1px,color:#d1fae5; classDef c-network fill:#2e1065,stroke:#a855f7,stroke-width:1px,color:#f3e8ff; classDef c-storage fill:#450a0a,stroke:#f87171,stroke-width:1px,color:#fee2e2; classDef c-security fill:#450a0a,stroke:#f87171,stroke-width:1px,color:#fee2e2; classDef c-gateway fill:#2e1065,stroke:#a855f7,stroke-width:1px,color:#f3e8ff; classDef c-container fill:#422006,stroke:#facc15,stroke-width:1px,color:#fef9c3; subgraph cluster ["Service Cluster"] direction TB gateway(("<img src="/icons/inframap/edge.png" width="32" height="32" /><br/><b>API Gateway</b><br/><i>gateway</i>")) class gateway c-network svc_a("<img src="/icons/inframap/compute.png" width="32" height="32" /><br/><b>Identity Service</b><br/><i>service</i>") class svc_a c-compute svc_b("<img src="/icons/inframap/compute.png" width="32" height="32" /><br/><b>Billing Service</b><br/><i>service</i>") class svc_b c-compute svc_c("<img src="/icons/inframap/compute.png" width="32" height="32" /><br/><b>Product Service</b><br/><i>service</i>") class svc_c c-compute end subgraph data ["Data Plane"] direction TB db_a[("<img src="/icons/inframap/database.png" width="32" height="32" /><br/><b>Identity DB</b><br/><i>database</i>")] class db_a c-database db_b[("<img src="/icons/inframap/database.png" width="32" height="32" /><br/><b>Billing DB</b><br/><i>database</i>")] class db_b c-database db_c[("<img src="/icons/inframap/database.png" width="32" height="32" /><br/><b>Product DB</b><br/><i>database</i>")] class db_c c-database bus("<b>Event Bus</b><br/><i>message-broker</i><br/><span style='font-size:0.8em'>Async Events</span>") class bus standard end %% Orphans user(("<img src="/icons/inframap/user.png" width="32" height="32" /><br/><b>Client Apps</b><br/><i>actor</i>")) class user c-actor %% Edges gateway -.-> svc_a gateway -.-> svc_b gateway -.-> svc_c svc_a -.-> db_a svc_a -.-> bus svc_b -.-> db_b svc_b -.-> bus svc_c -.-> db_c

Business: Microservices Gateway

For established businesses with multiple product lines or domains, a monolith can become a bottleneck. This architecture introduces a strong API Gateway pattern to route traffic to specialized services.

Core Components:

  • API Gateway: A high-performance entry point (Kong, Tyk, or Cloud Native LB) that handles auth, rate limiting, and routing.
  • Microservices: Distinct services (e.g., Billing, Users, Catalog) written in the best tool for the job.
  • Container Runtime: Services run in containers (Docker/K8s) for isolation.
  • Event Bus: Asynchronous communication happens via RabbitMQ, Kafka, or Cloud Pub/Sub.

Why this stack? It allows teams to work independently on different "Bounded Contexts" while presenting a unified API surface to clients.

Tech Stack

Component Technology
Segment business
Deployment containers
Gateway api-gateway
Orchestration kubernetes-ecs
Communication rest-grpc

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