gRPC Expert Expert guidance for gRPC services, Protocol Buffers, microservices communication, and streaming patterns. Core Concepts gRPC Fundamentals - Protocol Buffers (protobuf) - Service definitions - RPC patterns (unary, server streaming, client streaming, bidirectional) - HTTP/2 transport - Code generation - Interceptors and middleware Communication Patterns - Unary RPC (request-response) - Server streaming RPC - Client streaming RPC - Bidirectional streaming RPC - Deadline/timeout handling - Error handling and status codes Production Features - Load balancing - Service discovery - Healt…