app/views/users/edit.html.erb
<% provide(:title, 'Edit user') %>
<div>
<form>
<div class="mb-3">
<%= gravatar_for @user, size: 100, css_class: nil %>
</div>
<div class="mb-3">
<%= link_to "Change", "http://gravatar.com/emails", class: "btn btn-secondary" %>
</div>
</form>
<%= form_with model: @user do |form| %>
<%= render 'shared/error_messages', object: form.object if form.object.errors.any? %>
<div class="mb-3">
<%= form.label :name, class: 'form-label' %>
<%= form.text_field :name, class: 'form-control' %>
</div>
<div class="mb-3">
<%= form.label :email, class: 'form-label' %>
<%= form.text_field :email, class: 'form-control' %>
</div>
<div class="mb-3">
<%= form.label :password, class: 'form-label' %>
<%= form.password_field :password, class: 'form-control' %>
</div>
<div class="mb-3">
<%= form.label :password_confirmation, class: 'form-label' %>
<%= form.password_field :password_confirmation, class: 'form-control' %>
</div>
<div class="actions">
<%= form.submit "Save changes", class: "btn btn-large btn-primary" %>
<%= link_to 'Delete my account', @user, method: :delete, data: { confirm: 'Are you sure?' }, class: "btn btn-danger pull-right" %>
</div>
<% end %>
</div>