Zonké Docs

Prepare Dash for Deployment

Pre-requisites

  • Store application dependencies in a requirements.txt file. This file should be located alongside your app.py file.

Define create_app Function

Define a create_app function in app.py that returns a Dash app instance.

from dash import Dash

def create_app():
    app = Dash(__name__)
    app.layout = html.Div("Hello, World!") # Do your magic here...
    return app

If you want the ability to run your Dash application locally, you can add the following code to the bottom of your app.py file.

# Make sure to set the DEBUG and PORT environment variables.
if __name__ == "__main__" and os.getenv('DEBUG') == 'True':
    create_app().run_server(debug=True, port=os.getenv('PORT', 8050))

Setup Data Deployments

If you are deploying a static site built on changing data, you can store the data in a directory, e.g. src/data/, within your application and it will be deployed with your application. Your code pipeline will also include a data trigger that will redeploy your application with the new data when the data changes. See the Static Deployments page for more information.