catchall route to prevent unhandled 404s, concurrency improvements

Author: madoleary

app/controllers/application_controller.rb

@@ -20,4 +20,8 @@ def user_not_authorized
     flash[:alert] = 'You are not authorized to perform this action.'
     redirect_to(request.referrer || root_path)
   end
+
+  def not_found
+    render json: { error: 'Not found' }, status: 404
+  end
 end

config/puma.rb

@@ -4,17 +4,24 @@
 # the maximum value specified for Puma. Default is set to 5 threads for minimum
 # and maximum; this matches the default thread size of Active Record.
 #
-threads_count = ENV.fetch("RAILS_MAX_THREADS") { 5 }
-threads threads_count, threads_count
 
-# Specifies the `port` that Puma will listen on to receive requests; default is 3000.
-#
-port        ENV.fetch("PORT") { 3000 }
+max_threads_count = ENV.fetch("RAILS_MAX_THREADS") { 5 }
+min_threads_count = ENV.fetch("RAILS_MIN_THREADS") { max_threads_count }
+threads min_threads_count, max_threads_count
 
-# Specifies the `environment` that Puma will run in.
-#
+workers ENV.fetch("WEB_CONCURRENCY") { 2 }
+preload_app!
+
+port        ENV.fetch("PORT") { 3000 }
 environment ENV.fetch("RAILS_ENV") { "development" }
 
+
+on_worker_boot do
+  ActiveRecord::Base.establish_connection if defined?(ActiveRecord)
+end
+
+plugin :tmp_restart
+
 # Specifies the number of `workers` to boot in clustered mode.
 # Workers are forked webserver processes. If using threads and workers together
 # the concurrency of the application would be max `threads` * `workers`.
@@ -53,4 +60,4 @@
 #
 
 # Allow puma to be restarted by `rails restart` command.
-plugin :tmp_restart
+# plugin :tmp_restart

config/routes.rb

@@ -65,4 +65,6 @@
   resources :cases do
     resources :case_comments, only: %i[new create]
   end
+
+  match '*path', to: 'application#not_found', via: :all
 end