I only found how to start puma using SSL:
$ puma -b \'ssl://127.0.0.1:9292?key=path_to_key&cert=path_to_cert\'
However, there is no descri
Combining certificate and bundle will work only if you use nginx.
Without nginx, you can use ca and verify_mode options:
rails s puma -b 'ssl://0.0.0.0:9292?key=path_to_key.key&cert=path_to_cert.crt&verify_mode=none&ca=path_to_root_bundle.crt'
Source: https://github.com/puma/puma/blob/master/lib/puma/binder.rb