Server-Side Proxying
Server-side proxying is a technique where a server acts as an intermediary between clients and other servers or services, forwarding requests and responses. It is commonly used to handle cross-origin requests, load balancing, security enforcement, and API gateway functionality. This approach centralizes control over traffic flow, enabling features like caching, logging, and request transformation.
Developers should learn server-side proxying when building web applications that need to bypass browser CORS restrictions, aggregate data from multiple APIs, or implement security measures like rate limiting and authentication. It is essential in microservices architectures for routing requests between services and in production environments to manage traffic efficiently and protect backend systems from direct exposure.