Use letter_opener for dev email usage

Gemfile

@@ -61,6 +61,9 @@ group :development do
 
   # Hotwire-based live reloading
   gem "hotwire-livereload"
+
+  # letter_opener for catching and displaying emails sent during development
+  gem "letter_opener"
 end
 
 group :test do

Gemfile.lock

@@ -163,6 +163,10 @@ GEM
       activesupport (>= 5.0.0)
     json (2.7.1)
     language_server-protocol (3.17.0.3)
+    launchy (2.5.2)
+      addressable (~> 2.8)
+    letter_opener (1.8.1)
+      launchy (>= 2.2, < 3)
     listen (3.8.0)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
@@ -333,6 +337,7 @@ DEPENDENCIES
   hotwire-livereload
   importmap-rails
   jbuilder
+  letter_opener
   pg (~> 1.1)
   puma (>= 5.0)
   rails!

app/views/pages/home.html.erb

@@ -0,0 +1,4 @@
+<div class="prose">
+  <h1>Home</h1>
+  <p><%= link_to "Sign out", destroy_user_session_path, method: :delete %></p>
+</div>

config/environments/development.rb

@@ -37,11 +37,13 @@ Rails.application.configure do
   config.active_storage.service = :local
 
   # Don't care if the mailer can't send.
+  config.action_mailer.delivery_method = :letter_opener
+  config.action_mailer.perform_deliveries = true
   config.action_mailer.raise_delivery_errors = false
+  config.action_mailer.default_url_options = { host: 'localhost', port: 3000 }
 
   config.action_mailer.perform_caching = false
 
-  config.action_mailer.default_url_options = { host: 'localhost', port: 3000 }
 
   # Print deprecation notices to the Rails logger.
   config.active_support.deprecation = :log

config/initializers/devise.rb

@@ -266,7 +266,7 @@ Devise.setup do |config|
   # config.navigational_formats = ['*/*', :html, :turbo_stream]
 
   # The default HTTP method used to sign out a resource. Default is :delete.
-  config.sign_out_via = :delete
+  config.sign_out_via = :get
 
   # ==> OmniAuth
   # Add a new OmniAuth provider. Check the wiki for more information on setting