added middleware for run Websockets with ActionCable on production

Signed-off-by: Kapil Chouhan <kpl.chouhan99@gmail.com>

app/middleware/chat_action_cable.rb

@@ -0,0 +1,13 @@
+class ChatActionCable < ActionCable::Connection::WebSocket
+  def initialize(app, options={})
+    @app = app
+ end
+
+  def call(env)
+    if ::WebSocket::Driver.websocket?(env)
+      ActionCable.server.call(env)
+    else
+      @app.call(env)
+    end
+  end
+end

config/environments/production.rb

@@ -14,6 +14,9 @@
   config.consider_all_requests_local       = false
   config.action_controller.perform_caching = true
 
+  config.middleware.use ChatActionCable  
+  config.web_socket_server_url = "wss://rails-web-sockets.herokuapp.com/"
+
   # Ensures that a master key has been made available in either ENV["RAILS_MASTER_KEY"]
   # or in config/master.key. This key is used to decrypt credentials (and other encrypted files).
   # config.require_master_key = true