Java Developer’s Journey in Kubernetes
summary
Code-first Java -> Kubernetes path with concrete steps: build a Spring Boot app, produce a Docker image using a multi-stage Dockerfile or the jib Maven plugin to split dependency and app layers, shrink the runtime with jlink/jdeps custom JRE, write Kubernetes manifests (pod/deployment/service) or templatize with Helm templates, test locally with Docker Desktop or Minikube, deploy to EKS (50% of k8s runs on AWS per CNCF), add Envoy/Istio or AWS App Mesh for observability and canary/A‑B traffic shifting, use Skaffold locally and CodePipeline/Jenkins in cloud.
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chapters (20)
- 0:00Start
- 4:29create a darker image out of a java application
- 6:11download the maven docker image
- 7:37copy the target directory
- 7:56using a multi-stage dockerfile
- 9:14creating a custom jre
- 9:37add all the modules
- 11:18using the jib maven plugin
- 12:38use jre slim as the base image
- 14:02create your resource description
- 15:42define my template for the deployment
- 16:32expose a container port
- 19:21define your kubernetes application
- 22:04test the kubernetes cluster in my local machine
- 23:07running a multi node kubernetes cluster
- 25:21running this on a gpu based cluster
- 29:15running sidecar across all of your applications
- 30:37deploying your application into the kubernetes cluster
- 34:00building your application from a java developer perspective
- 34:36migrating those applications to the cloud
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