Adopt deployment after refactoring and reset puma to default

config/deploy.rb

@@ -19,7 +19,6 @@ namespace :deploy do
   after :compile_assets, :copy_vendor_assets do
     on roles(fetch(:assets_roles)) do
       within release_path do
-        execute :cp, '-r', 'vendor/assets/images/', 'public/assets/'
         execute :cp, '-r', 'vendor/assets/javascripts/ace', 'public/assets/'
       end
     end

config/puma.rb

@@ -21,14 +21,14 @@ environment ENV.fetch("RAILS_ENV") { "development" }
 # Workers do not work on JRuby or Windows (both of which do not support
 # processes).
 #
-workers ENV.fetch("WEB_CONCURRENCY") { 2 }
+# workers ENV.fetch("WEB_CONCURRENCY") { 2 }
 
 # Use the `preload_app!` method when specifying a `workers` number.
 # This directive tells Puma to first boot the application and load code
 # before forking the application. This takes advantage of Copy On Write
 # process behavior so workers use less memory.
 #
-preload_app!
+# preload_app!
 
 # Allow puma to be restarted by `rails restart` command.
 plugin :tmp_restart