Java to Kubernetes for Dummies
summary
A Maven/Gradle plugin called jcube analyzes a Java project, builds a container image (Docker/Podman or in-cluster OpenShift build), generates Kubernetes YAML (Deployment, Service, Ingress) and runs kubectl/oc to apply it; demo uses Minikube and OpenShift, scales a Deployment to five replicas, and serves traffic through an Ingress. A remote-dev feature opens an SSH tunnel so local code talks to remote services. Live demos mostly succeed though one UI refresh fails; image build, push to registry, and deployment automation all work.
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chapters (18)
- 0:00Introduction and speaker intro
- 1:37Old Java deployment struggles
- 7:46Why Kubernetes matters
- 10:11Containers explained
- 12:43Running your first container
- 17:42Building custom container images
- 23:43From Java to Docker workflow
- 25:31Kubernetes basics and magic
- 28:24Kubernetes as a database
- 34:09Controllers and custom resources
- 35:58Pods and deployments
- 39:10Scaling with replicas
- 41:00Services and Ingress explained
- 44:09JCubed plugin introduction
- 48:08Live demo with JCubed
- 52:50Remote development with OpenShift
- 57:10Testing changes efficiently
- 1:01:29Summary and Q&A
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