Fetch the devise mailer sender from ENV FROM_ADDRESS

Author: rsmithlal

config/initializers/devise.rb

@@ -26,7 +26,7 @@
   # Configure the e-mail address which will be shown in Devise::Mailer,
   # note that it will be overwritten if you use your own mailer class
   # with default "from" parameter.
-  config.mailer_sender = '[email protected]'
+  config.mailer_sender = ENV.fetch('FROM_ADDRESS', 'Better Together Community <[email protected]>')
 
   # Configure the class responsible to send e-mails.
   # config.mailer = 'Devise::Mailer'