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gRPC & Protobuf

gRPC fundamentals: Protocol Buffers (proto3), service definitions, the four communication patterns, code generation with buf, Node.js clients and servers, gRPC-Web, metadata, error codes, interceptors, deadlines, health checking, load balancing, NestJS integration, Connect protocol, and comparisons with REST, GraphQL, and tRPC.

gRPC & Protobuf

What is gRPC?

What are Protocol Buffers?

Nested messages, oneof, and map

Defining a gRPC service in .proto

gRPC vs REST vs GraphQL

gRPC status codes

Metadata and headers in gRPC

buf toolchain and code generation

gRPC server in Node.js

gRPC client in Node.js

gRPC-Web and browser limitations

Interceptors in gRPC

Deadlines and cancellation

gRPC in NestJS

gRPC health checking protocol

Connect protocol vs gRPC

gRPC load balancing

gRPC server reflection

gRPC vs tRPC

Rich error details with google.rpc.Status

TLS, mTLS, and authentication in gRPC

Protobuf backward and forward compatibility