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Ask HN: Why some slack communities use url *.slack.herokuapp.com?

I noticed some slack of communities have entrypoint with *.slack.herokuapp.com . https://botkube-slack.herokuapp.com/ https://www.google.com/search?client=firefox-b-d&q=inurl%3Aslack.herokuapp.com and so on ... What's the purpose of this heroku app ? Why not just use slack official : https://postgresteam.slack.com

mtmail 4y ago
The invite page is created by a Heroku Elements project https://elements.heroku.com/buttons/outsideris/slack-invite-automation https://elements.heroku.com/buttons/outsideris/slack-invite-... Its github page has a screenshot https://github.com/outsideris/slack-invite-automation https://github.com/outsideris/slack-invite-automation I think some communities want a custom invite page explaining what the community is about. The official signin/signup page lacks any customization options. (Both Heroku and Slack are owned by SalesForce these days. The Element project pre-dates those acquisitions)
- azebazenestor 4y ago
  Oh.Thanks for answer. So the heroku app was created when it was not possible to sign up without being invited.