Use memcached as cache store on development if it is running

check_for_memcached.rb

# Use a different cache store based on memcached is running or not
begin
# check if memcached is running; if it is, use that instead of the default memory cache
  Timeout.timeout(0.5) { TCPSocket.open("localhost", 11211) { } }
  config.cache_store = :dalli_store, %w(localhost:11211), {namespace: Rails.application.class.parent_name, expires_in: 1.day, compress: true}
  $stderr.puts "Using memcached on localhost:11211"
rescue StandardError
  $stderr.puts "memcached not running, caching to memory"
end