Cloud-Native Java Applications without a hassle
Eclipse JKube is a collection of plugins and libraries that are used for building container images using Docker, JIB or S2I build strategies. Eclipse JKube generates and deploys Kubernetes/OpenShift manifests at compile time too.
It brings your Java applications on to Kubernetes and OpenShift by leveraging the tasks required to make your application cloud-native.
Eclipse JKube also provides a set of tools such as watch, debug, log, etc. to improve your developer experience. This project contains various building blocks for the Kubernetes Java developer toolbox.
You can take a look at our quickstarts in quickstarts directory that contain sample maven and gradle projects using the latest version of jkube plugin.
Hello World using Eclipse JKube# 1. Clone repository $ git clone git@github.com:eclipse/jkube.git # 2. Move to Hello World Quickstart folder $ cd jkube/quickstarts/maven/hello-world # 3. Configure your local environment to re-use the Docker daemon inside the Minikube instance. ~ jkube/quickstarts/maven/hello-world : $ eval $(minikube -p minikube docker-env) # 4. Build Project and run JKube goals $ mvn clean install \ k8s:build `# Build Docker Image` \ k8s:resource `# Generate Kubernetes Manifests` \ k8s:apply `# Apply generated Kubernetes Manifests onto Kubernetes`
# Using Kubectl $ kubectl get pods NAME READY STATUS RESTARTS AGE helloworld-664bf5fdff-2bmrt 1/1 Running 0 9s $ kubectl get svc helloworld NodePort 10.110.92.145 <none> 8080:32353/TCP 58m kubernetes ClusterIP 10.96.0.1 <none> 443/TCP 7h $ curl `minikube ip`:32353/hello Hello World
If you experience problems using minikube that pod's status shows 'ImagePullBackOff' and not 'Running' you must share the minikube's docker daemon environment with your shell with:
$ eval $(minikube -p minikube docker-env)
You can remove this from your shell again with:
$ eval $(minikube docker-env -u)
If you don't want to type the command for every new terminal you open, you can add the command to your .bash_profile on mac or .zshrc.
This project is not an effort from scratch. It was earlier called Fabric8 Maven Plugin. It is just refactored and rebranded version of the project targeted towards Java developers who are working on top of Kubernetes. For more information about history, please see REBRANDING.md
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