title: Docker service creation taking more time
body: <p>i'm new to this docker service creation please help me if i'm wrong , i executed this command
  <code>docker service create --name "testApp" -p 8000:8000 testApp</code>
   Its taking too long time to execute (stuck at overall progress 0 out of 1 tasks) so that my shell is getting timeout .
  anything wrong am i doing here??</p>