Should I create something additional from the website?

my steps:
on local it works
cf push api-springboot -p test.war

in logs ther is "OK" :

requested state: started
instances: 1/1
usage: 1G x 1 instances
urls: api-springboot.eu-gb.mybluemix.net
last uploaded: Thu Mar 30 08:59:17 UTC 2017
stack: cflinuxfs2
buildpack: Liberty for Java(TM) (WAR, liberty-17.0.0_1, buildpack-v3.8-20170308-
1507, ibmjdk-1.8.0_20170215, env, spring-auto-reconfiguration-1.10.0_RELEASE)

 state     since                    cpu      memory         disk           d

etails
#0 running 2017-03-30 11:00:41 AM 205.9% 140.8M of 1G 227.6M of 1G

but when i go to url:

Not Found

The application or context root for this request has not been found: /hello