The Flask official documentation brings in a good Flask tutorial that provides step-by-step instructions to create a blog application using the Flask framework. The features of the app include login management, post creation, deletion, and modification. You will also learn to package flask applications and make them ready for deployment. While creating this application, you will learn to work with project layout, database access, templates, static files, blueprints of the blog pages, test coverage in Flask, and production deployment.
While there are many professional courses on Flask, but you can learn the basics of Flask even by following this free tutorial. We recommend this to beginner developers!