docker version of cortex breaks when you don't create a user immediately

[Trolldemorted]

Request Type

Bug

Work Environment

Question	Answer
OS version (server)	-
OS version (client)	-
Cortex version / git hash	latest from dockerhub
Package Type	Docker
Browser type & version	-

Problem Description

When you don't create a user on the first try, cortex displays only a white page and red "Error: user init not found" messages.

Steps to Reproduce

1. Download docker-compose file from official docs, apply fix for dockerhub sample uses the wrong port #203
2. docker-compose up
3. Wait until elastic and cortex have started
4. Open localhost:9001 in your browser, click "Update Database", wait
5. Don't create a user in the form, open localhost:9001 again

Complementary information

docker-compose output

[To-om]

The issue is solved by TheHive-Project/elastic4play#90