letsencrypt_plugin (rubygems): **** letsencrypt-plugin gem has been renamed to acme-plugin, please use acme-plugin instead**letsencrypt-plugin is a Ruby on Rails helper for Let's Encrypt service for retrieving SSL certificates (without using sudo, like original letsencrypt client does). It uses acme-client gem for communication with Let's Encrypt server. 
Keywords: acme-protocol|certificate|domain-certificate|letsencrypt|rails|ruby