Rails app generated with lewagon/rails-templates, created by the Le Wagon coding bootcamp team.

I- To download a picture for a user : 1- run : rails active_storage:install 2- add it to your model : class User < ApplicationRecord has_one_attached :avatar end 3- permit params of devise in application_controller(otherwise it would be on the table controller) devise_parameter_sanitizer.permit(:sign_up, keys: [:avatar]) 4- For the views: in the registration form(devise/refistrations/new) add a file_field right above the submit button:

<%= f.label :avatar %>
<%= f.file_field :avatar %>

5- To display the avatar in the view : <% if current_user.avatar.attached? %> <%= image_tag current_user.avatar %> <% end %>

6- Create a bucket on Amazon S3

7- Create a user on Amazon Iam/ Add a wagon strategy

8- Add environment variable in .env

9- Push configuration to Heroku: heroku config:set VARIABLE=value123