added a flask + docker swarm resource

mjhea0 · web-flow · commit f805222e46bf · 2018-07-11T20:05:46.000-06:00
diff --git a/content/pages/04-web-development/03-flask.markdown b/content/pages/04-web-development/03-flask.markdown
@@ -238,6 +238,8 @@ combined with the example real-world projects listed in the next section.
   [Frozen-Flask](http://pythonhosted.org/Frozen-Flask/) to generate a
   static website from a backend data source.
 
+* [Running Flask on Docker Swarm](https://testdriven.io/running-flask-on-docker-swarm)
+  details how to run a Flask app on Docker Swarm.
 
 ### Open source Flask example projects
 Flask's lack of standard boilerplate via a commandline interface for
