We have a site, hosted on Heroku, that lets our customers use their own domain name. The problem is that we want to provide SSL for them automatically. Currently we let them upload certs, but it's messy. ... WHAT WE NEED:
We need a simple Node/Express app that can set up SSL certs, using Lets Encrypt, for a supplied domain that will work on Heroku. ... You may be able to use this: https://github.com/dmathieu/sabayon
Step 1: https://cl.ly/0M1l211R0J2l
Step 2: https://cl.ly/2K3Z2j3L0i0w
Step 3: https://cl.ly/2G460V0F1d2k
Must use Heroku (They have a new free SSL product: https://blog.heroku.com/announcing_heroku_free_ssl_beta_and_flexible_dyno_hours)
Must use Node (potentially using https://github.com/Daplie/node-letsencrypt)
Normally, Heroku will give you a URL similar to tomica234.herokussl.com to CNAME to.