a couple of small fixes in 9 driven by tests, fixes asciidoc prob

Author: hjwp

chapter_09_docker.asciidoc

@@ -653,7 +653,6 @@ next to our `Dockerfile`:
 └── static
     └── [...]
 ----
-====
 
 // TODO: figure out what to do with the /static folder
 
@@ -716,6 +715,7 @@ you can run one or more containers based on that image, using `docker run`.
 What happens when we run ours?
 
 
+[role="ignore-errors"]
 [subs="specialcharacters,macros"]
 ----
 $ pass:quotes[*docker run superlists*]
@@ -754,6 +754,8 @@ We can create a virtualenv in our Dockerfile
 just like we did on our own machine with `python -m venv`,
 and then we can use `pip install` to get Django:
 
+
+[role="sourcecode"]
 .Dockerfile (ch09l004)
 ====
 [source,dockerfile]