Discourse installation troubles - nginx

I tried to install Discourse on DigitalOcean following their tutorial:
https://github.com/discourse/discourse/blob/master/docs/INSTALL-cloud.md
Everything goes fine until one of the lasts points: Bootstrap Discourse.
I run the command ./launcher bootstrap app it take around 5 minutes and then it gets freezed at this point (please see image):
http://postimg.org/image/gjzs7cvpn/
Can anybody help me please?
Thanks a lot

As the document, you should run ./discourse-setup . The configuration need about 2-8 minutes. Just wait.

if you have discourse already installed and you are adding plugins or upgrading to new settings then run ./launcher rebuild app but if installation is first time then remove docker and install new version again

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