update screenshots for the site running in Docker

Author: Xronophobe

chapter_09_docker.asciidoc

@@ -1221,11 +1221,13 @@ It always seems hopeless at first!  But eventually you get there.
 === Database migrations
 
 ((("database migrations")))
-A quick visual inspection confirms--the site is up (<<staging-is-up>>)!
+A quick visual inspection confirms--the site is up (<<site-in-docker-is-up>>)!
 
-[[staging-is-up]]
-.The staging site is up!
+[[site-in-docker-is-up]]
+.The site in Docker is up!
 image::images/twp2_0903.png["The front page of the site, at least, is up"]
+// CSANAD:  This isn't the staging site yet! These screenshots and some of the text
+//          seems to be not updated.
 
 
 Let's see what our functional tests say: