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A comment on Use LetsEncrypt and CloudFlare to secure any Heroku app for free. Parent comment

Re:Use LetsEncrypt and CloudFlare to secure any Heroku app f... by xutopia on Thursday July 21, 2016 @11:08AM (#12137345)
Is it possible to do this on the fly with subdomains? I have a specific problem with my instance where I have multiple domains and multiple subdomains. Right now I use a wildcard SSL because the subdomains are generated on the fly whenever a new client signs up.

Is it possible to create a new certificate without restarting all the servers each time a new client signs up?

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Re:Use LetsEncrypt and CloudFlare to secure any Heroku app f... by dmathieu on Thursday July 21, 2016 @11:46AM (#12137611)
No, that is not possible with the sabayon architecture. It needs to store letsencrypt key/token for all domains, and stores them as config vars.

You'd have to store them in a database for example to avoid having to restart the app. But that wouldn't be a good solution either, as letsencrypt will not allow you to have more than 100 domains under the same certificate.

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