![]() Instead, you should use Gunicorn, a production-grade WSGI web app server. As the name suggests, the "development" server is not meant for production, though. The Flask development server is great for serving up a Flask app locally. Flask in ProductionĪt a certain point when developing a Flask app, you'll want to deploy it app to production so that others can access it. You can view the app by navigating to in your browser of choice. ![]() Where -app specifies the file for the Flask app ( app.py) and -debug enables the debug mode (interactive debugger and automatic reload when code is changed). The Flask development server is run using: Flask Production Setup Flask in DevelopmentÄuring the development phase of a project, the development server is typically used for running the app locally: It's worth noting that build and deploy times are fast for web services on the paid plan. The slower build and deploy times are to be expected, as you're sharing resources with other users. There are some limitations when using the free tier services on Render: Render's developer experience is nice and the configuration steps are very intuitive for setting up web services and databases. Since Heroku is discontinuing it's free tier on November 28th, 2022, I've toyed around with a number of Heroku alternatives and found that Render is the best. Additionally, they have reasonably priced options for hosting apps and databases. Plus, they have a free tier that allows you to easily test out their platform. Render is an easy-to-use Platform as a Service (PaaS) solution that's great for hosting Flask apps. Configure a Flask app to communicate with a PostgreSQL database on Render.Describe how a Flask app runs on Render.Explain how to transition a Flask app from deployment to production.By the end of this tutorial, you'll be able to:
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