add *.herokuapp.com to the allow origins for review apps

[mcfiredrill]

In order for the chat to work on review apps, a regex *.herokuapp.com needs to be added to the list of allowed origins:
https://github.com/datafruits/hotdog_lounge/blob/master/config/config.exs#L16

I'm not sure how or if it's possible to add a regex here however.

[mcfiredrill]

We don't use heroku for the datafruits frontend anymore, we use netlify.

The netlify preview apps don't work with this chat server either tho, for reasons I haven't figured out yet.

[einariii]

I noticed you successfully used netlify preview apps for forum testing and development. Is this still an issue?

[mcfiredrill]

Yes we have switched to netlify from heroku, but I believe the same problem is still happening.

See this preview app : https://deploy-preview-962--datafruitsfm.netlify.app/chat

Notice the chat is not accessible.

If we add *.netlify.app to the allowed origins list , it might solve this issue.

[einariii]

will take a stab at it. my research suggests using CorsPlug will allow regex in combination with the existing url list in config.exs...but to be honest i'm not even sure if a plug is necessary here.

[einariii]

also: no matter where the list is stored, should we delete the herokuapp urls while we're at it?