RoR Mailer! How to put pictures of an object in a letter?

Question

Ruby on Rails

The crux of the matter is that there is a User and Photo model, respectively user has_many :photos! how to put the last picture in the view of the email sent to the administrator using Mailer?

Answer 1

Here it is described. I'm surprised you didn't google it first.
guides.rubyonrails.org/action_mailer_basics.html#c...
see point 2.3.2