todo re CMD array syntax

Author: hjwp

chapter_10_production_readiness.asciidoc

@@ -91,6 +91,8 @@ CMD gunicorn --bind :8888 superlists.wsgi:application  <2>
   which is usually a function called `application`.
   Django provides one in _superlists/wsgi.py_.
 
+// TODO; this is a good place to switch to using array syntax for CMD maybe?
+
 As in the previous chapter, we can use the `docker build && docker run`
 pattern to try out our changes by rebuilding and rerunning our container: