[supermdguy]

"Heroku automatically manages TLS certificates for apps with Hobby and Professional dynos". It doesn't support free dynos.

[CiPHPerCoder]

You get to choose your own adventure here.

> Ask Heroku to support LetsEncrypt on all dynos.

> Vote with your wallets and move away from Heroku.

> Launch a competitor that allows others to move away from Heroku.

> _

[Sir_Cmpwn]

Then as I said: shame on Heroku.