grpc-spring is a framework for integrating gRPC servers and clients into Spring applications. It provides a suite of tools for managing the lifecycle of remote procedure call servers, automating client stub injection, and implementing request interception within a Java environment.
The project enables high-performance remote procedure call communication through annotation-driven service registration and automatic configuration of client stubs. It includes a specialized interceptor library for modifying requests and responses, as well as a telemetry tool for exporting performance metrics and distributed tracing data to monitoring systems.
The framework covers broader operational capabilities including dynamic service discovery for resolving remote addresses and the application of authentication and authorization policies to secure endpoints. It further manages the integration of gRPC traffic into the application context to support distributed system observability.