Left file: appwork-v1_3_1/rails-starter/config/cable.yml  
Right file: appwork-v1_4_0/rails-turbolinks-starter/config/cable.yml  

development:	=	development:
adapter: async		adapter: async
test:		test:
adapter: async	<>	adapter: test
	=
production:		production:
adapter: redis		adapter: redis
url: <%= ENV.fetch("REDIS_URL") { "redis://localhost:6379/1" } %>		url: <%= ENV.fetch("REDIS_URL") { "redis://localhost:6379/1" } %>
channel_prefix: rails-starter_production		channel_prefix: rails-starter_production