Live Coding: Cloud native Application Development with MicroProfile & Open Liberty
summary
Live-coding builds two microservices (A and B) in VS Code using OpenJDK/OpenJ9 and Open Liberty, exposing REST endpoints and a declarative RestClient for interservice calls. MicroProfile features shown: MicroProfile config for environment and Kubernetes, fault tolerance (timeouts, CompletableFuture, fallback), OpenAPI docs, Micrometer metrics, health/readiness checks, and JWT-based role checks. Services are containerized, pushed to Docker, deployed via Kubernetes YAML (nodePort) and the demo runs end-to-end with metrics and readiness working.
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chapters (16)
- 0:00Introduction to Cloud Native
- 3:44Why Java for Cloud Native
- 7:43MicroProfile Overview
- 9:52Demo Setup and Tools
- 12:25Creating Microservices
- 16:03Live Coding Microservice A
- 21:03Adding Fault Tolerance
- 23:34OpenAPI Documentation
- 27:21Health Checks and Readiness
- 30:18Securing Microservices
- 35:46Configuration with MicroProfile
- 36:49Dockerizing the Application
- 41:25Summary and Q&A
- 43:56Deploying to Kubernetes
- 48:53Kubernetes Configuration
- 51:43Final Demo and Conclusion
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