Part 8
2 chapters
Security
Encrypt, mutually authenticate, and authorize gRPC calls.
Chapter 19
TLS & mTLS
Channel and transport credentials, certificate management, a Compose-local cert bootstrap, and the progression from one-way TLS to mutual TLS on RoutingService.GetQuote.
Chapter 20
AuthN/AuthZ
JWT/OAuth2 bearer tokens in call metadata, a signature-and-expiry-checking server interceptor, and per-method authorization — the auth hook Chapter 12 built, grown into a real credential check.