Spring Boot gRPC

Overview

Expert guidance for building gRPC services with Spring Boot 4 and Spring gRPC. Covers the full lifecycle: protobuf schema design, server and client implementation, interceptors, security, streaming, observability, and testing.

Key Capabilities:

• Protobuf schema design and code generation
• gRPC server implementation with @GrpcService
• gRPC client creation with @GrpcClient
• Unary, server-streaming, client-streaming, and bidirectional streaming RPCs
• Server and client interceptors (logging, auth, metrics)
• SSL/TLS and Spring Security integration
• Health checks and reflection
• Observability (metrics, tracing)
• In-process testing

When to Use