Part 9 2 chapters

Operating the Modernized System

Deployment patterns; service mesh, observability (OTel/LGTM/Kiali), distributed tracing — on minikube.

Chapter 29

Deployment Patterns

Rolling, breaking-schema-change, and blue-green deployment, tied to the cutover; which fits synchronous vs. event-driven services.

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Chapter 30

Mesh, Observability & Distributed Tracing

Istio (mesh/mTLS/canary), Kiali, OpenTelemetry + the LGTM stack, spans/causality/context propagation, and cross-context debugging — on minikube.

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