Enable HTTPS without passenger

[lmoellendorf]

I used the passenger image because it was the only way I found to use HTTPS:

• Enabling HTTPS should be easy and not require Ruby / rails knowledge? #207
• SSL cert question #4 (comment)

Is there any documentation on how to enable HTTPS without passenger?

Originally posted by @lmoellendorf in #288 (comment)

[LaurentGoderre]

You could use a reverse proxy in a separate container such as Traefik. This way the SSL config is decoupled from the app

[tianon]

https://stackoverflow.com/a/55464729/433558 is really relevant 👀 🙈