A Collection of Microservice Patterns

on YouTube ↗47m

" summary

Covers eight concrete microservice patterns and shows working MicroProfile demos using Payara, TomEE and OpenLiberty: compares thin WAR vs fat JAR layers and Docker image layering; enforces one-database-per-service; externalized config with override precedence (file → env → system); health endpoint returns UP plus custom checks; metrics exported for Prometheus metrics exported; fault tolerance demo uses a timeout and 3 failures then 10s wait circuit breaker with a fallback; JWT role-based auth (OpenLiberty) and OpenTracing → Zipkin tracing, all demos running with minor hiccups.

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" chapters (4)

1. 0:00Start
2. 16:57Externalised Configuration
3. 34:31DEMO
4. 40:19Distributed Tracing

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