[BUG] Error message with HTTPS

[stepanic]

Environment Setup

parse-dashboard 1.2.0, hosted on Dokku 0.12.12 on Google Cloud micro instance

Steps to reproduce

Run parse-dashboard 1.2.0 on Dokku with Let's Encrypt plugin, the application is available in the browser over HTTPS but still message Parse Dashboard can only be remotely accessed via HTTPS

[flovilmart]

You didn’t configure your dashboard to trust the proxy before it, as the proxy is likely to connect through HTTP.

See https://github.com/parse-community/parse-dashboard/blob/master/README.md#deploying-parse-dashboard