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spring-boot-webmvc

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a quickstart showing how to use Spring Boot, Spring MVC together with Kubernetes or OpenShift

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# Spring Boot Web MVC QuickStart

This example demonstrates how you can use Spring Boot and Spring MVC on Kubernetes or OpenShift to implement a REST service.

### Building

The example can be built with

mvn clean install

### Running the example in Kubernetes

It is assumed a running Kubernetes platform is already running. If not you can find details how to [get started](http://fabric8.io/guide/getStarted/index.html).

Assuming your current shell is connected to Kubernetes or OpenShift so that you can type a command like

```
kubectl get pods
```

or for OpenShift

```
oc get pods
```

Then the following command will package your app and run it on Kubernetes:

```
mvn fabric8:run
```

To list all the running pods:

oc get pods

Then find the name of the pod that runs this quickstart, and output the logs from the running pods with:

oc logs <name of pod>

You can also use the [fabric8 developer console](http://fabric8.io/guide/console.html) to manage the running pods, and view logs and much more.

#### Integration Testing

The example includes a [fabric8 arquillian](https://github.com/fabric8io/fabric8/tree/master/components/fabric8-arquillian) Kubernetes Integration Test. 
Once the container image has been built and deployed in Kubernetes, the integration test can be run with:

mvn test -Dtest=*KT

The test is disabled by default and has to be enabled using `-Dtest`. [Integration Testing](https://fabric8.io/guide/testing.html) and [Fabric8 Arquillian Extension](https://fabric8.io/guide/arquillian.html) provide more information on writing full fledged black box integration tests for Kubernetes.

### More details

You can find more details about running this [quickstart](http://fabric8.io/guide/quickstarts/running.html) on the website. This also includes instructions how to change the Docker image user and registry.

### Access services using a web browser

When the application is running, you can use a web browser to access the REST service. Assuming that you
have a [Vagrant setup](http://fabric8.io/guide/getStarted/vagrant.html) you can access the REST service with
`http://spring-boot-webmvc-default.vagrant.f8`.

Notice: As it depends on your OpenShift setup, the hostname (route) might vary. Verify with `oc get routes` which
hostname is valid for you.  Add the '-Dfabric8.deploy.createExternalUrls=true' option to your maven commands if you want it to deploy a Route configuration for the service.

The URL `http://spring-boot-webmvc-default.vagrant.f8/ip` can be used to obtain the IP address to show service load-balancing
when running with multiple pods.

#### Integration Testing

The example includes a [fabric8 arquillian](https://github.com/fabric8io/fabric8/tree/master/components/fabric8-arquillian) Kubernetes Integration Test. 
Once the container image has been built and deployed in Kubernetes, the integration test can be run with:

mvn test -Dtest=*KT

The test is disabled by default and has to be enabled using `-Dtest`. [Integration Testing](https://fabric8.io/guide/testing.html) and [Fabric8 Arquillian Extension](https://fabric8.io/guide/arquillian.html) provide more information on writing full fledged black box integration tests for Kubernetes.

### More details

You can find more details about running this [quickstart](http://fabric8.io/guide/quickstarts/running.html) on the website. This also includes instructions how to change the Docker image user and registry.

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