fixing healthcheck

Author: Dave Try

lib/puppet/parser/functions/docker_run_flags.rb

@@ -46,8 +46,8 @@ module Puppet::Parser::Functions
       flags << '--detach=true'
     end
 
-    if opts['health_check_cmd']
-      flags << "--health-cmd '#{opts['health_check_command']} || exit 1'"
+    if opts['health_check_cmd'].to_s != 'undef'
+      flags << "--health-cmd #{opts['health_check_cmd']}"
     end
 
     if opts['tty']