View the original community article here
Last tested: Jul 4, 2018
You must obtain your own SSL Certificate and name the files looker.pem and looker.key.
For production environments, we recommend installing an SSL certificate from a certificate authority such as Verisign (Symantec), GoDaddy, or Thawte.
Once you have that, you can proceed with installing the certificate (docs).
This content is subject to limited support.