Update jekyll.md

Author: MichaelCurrin

recipes/containers/jekyll.md

@@ -3,3 +3,15 @@ logo: jekyll
 ---
 # Jekyll
 > How to run a Jekyll site in a container
+
+
+```sh
+export JEKYLL_VERSION=3.9
+```
+
+```sh
+mkdir my-blog
+cd my-blog
+docker run --rm --volume="$PWD:/srv/jekyll" -it \
+  jekyll/jekyll:$JEKYLL_VERSION jekyll new .
+```