Document what the OpenShift deployment will create

README.md

@@ -31,6 +31,20 @@ The easiest way to deploy the sample application to OpenShift is to use the [Ope
 oc new-app codecentric/springboot-maven3-centos~https://github.com/codecentric/springboot-sample-app
 ```
 
+This will create:
+
+* An ImageStream called "springboot-maven3-centos"
+* An ImageStream called "springboot-sample-app"
+* A BuildConfig called "springboot-sample-app"
+* DeploymentConfig called "springboot-sample-app"
+* Service called "springboot-sample-app"
+
+If you want to access the app from outside your OpenShift installation, you have to expose the springboot-sample-app service:
+
+```shell
+oc expose springboot-sample-app --hostname=www.example.com
+```
+
 ## Copyright
 
 Released under the Apache License 2.0. See the [LICENSE](https://github.com/codecentric/springboot-sample-app/blob/master/LICENSE) file.