README clarification for docker example
README clarification for docker example

elastic/examples,elastic/demo,elastic/examples,elastic/examples,elastic/examples,gingerwizard/examples,elastic/examples,gingerwizard/examples,elastic/demo,elastic/examples,gingerwizard/examples,gingerwizard/examples,elastic/demo,elastic/examples,gingerwizard/examples,gingerwizard/examples,gingerwizard/examples