Bind multiple SSL certificate to the same app

Server
1

Hi guys!

I spent almost a week searching on this issue and need your help.

I’m hosting my app on Heroku and for each user we generate a subdomain (e.g. example.myApp.com) and we need to let him to point his own domain name (example.com) to example.myApp.com and then generate a SSL cert for them.

Now the issue is that Heroku doesn’t allow us to have multiple SSL certificate on the same domain. Is it possible to auto-update (with the new domains) a single cert using Let’s Encrypt? If yes, is there any limit?

Moving from Heroku to different hosting server could be also a solution, but I don’t know if the issue will be the same on another one.

I’m sure someone already had this issue in this community and I would really appreciate any help!

Thanks

J.J

2

Hi,

If all sites are under the same domain, why not generate a wildcard certificate instead?

However, in this case you'll need to generate the certificate and renew it by yourself, as Heroku ACM currently does not support this feature.

Thank you

3

Thank you for the fast answer steven,

All sites are not under the same domain as we want to let our users connect their own domain to a sub domain we generated ! Yes I saw that Heroku doesn’t support it but as we want to switch to another server, do you know if it’s usually a simple task or it’s complicated? We’re going to use AWS Elastic Beanstalk

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