Rename application.py to app.py

Doing so allows the associated article to drop the set FLASK_APP step for simplicity.

Also update .gitignore for VS Code, and update the readme.

.gitignore

@@ -81,9 +81,14 @@ celerybeat-schedule
 # virtualenv
 venv/
 ENV/
+.venv/
 
 # Spyder project settings
 .spyderproject
 
 # Rope project settings
 .ropeproject
+
+# Visual Studio Code
+.vscode/
+

README.md

@@ -1,6 +1,6 @@
 ---
 page_type: sample
-description: "This is a minimal sample app that demonstrates how to run a Python Flask application on Azure App Service on Linux."
+description: "A minimal sample app that can be used to demonstrate deploying Flask apps to Azure App Service on Linux."
 languages:
 - python
 products:
@@ -10,9 +10,9 @@ products:
 
 # Python Flask sample for Azure App Service (Linux)
 
-This is a minimal sample app that demonstrates how to run a Python Flask application on Azure App Service on Linux.
+This is a minimal Flask app that can be deployed to Azure App Service on Linux.
 
-For more information, please see the [Python on App Service quickstart](https://docs.microsoft.com/azure/app-service/containers/quickstart-python).
+For instructions on running and deploying the code, see [Quickstart: Create a Python app in Azure App Service on Linux](https://docs.microsoft.com/azure/app-service/quickstart-python).
 
 ## Contributing
 

application.py → app.py

@@ -1,7 +1,6 @@
 from flask import Flask
 app = Flask(__name__)
 
-
 @app.route("/")
 def hello():
     return "Hello, World!"