Api Gateway Configuration

API Gateway Configuration

Design and configure API gateways for microservice architectures.

Gateway Responsibilities

• Request routing and load balancing
• Authentication and authorization
• Rate limiting and throttling
• Request/response transformation
• Logging and monitoring
• SSL termination

Kong Configuration (YAML)

_format_version: "3.0"

services:
  - name: user-service
    url: http://user-service:3000
    routes:
      - name: user-routes
        paths: ["/api/users"]
    plugins:
      - name: rate-limiting
        config:
          minute: 100
          policy: local
      - name: jwt

  - name: order-service
    url: http://order-service:3000
    routes:
      - name: order-routes
        paths: ["/api/orders"]

Nginx Configuration

upstream backend {
    server backend1:3000 weight=5;
    server backend2:3000 weight=5;
    keepalive 32;
}

server {
    listen 443 ssl;

    location /api/ {
        proxy_pass http://backend;
        proxy_http_version 1.1;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_cache_valid 200 1m;
    }