Typical AngularJS workflow and project structure (with Python Flask)

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I am pretty new to this whole MV* client-side framework frenzy. It doesn’t have to be AngularJS, but I picked it because it feels more natural to me than either Knockout, Ember or Backbone. Anyway what is the workflow like? Do people start with developing a client-side application in AngularJS and then hooking up the back-end to it?

Or the other way around by first building the back-end in Django, Flask, Rails and then attaching an AngularJS app to it? Is there a “right” way of doing it, or is it just a personal preference in the end?

I am also not sure whether to structure my project according to the Flask or AngularJS? community practices.

For example, Flask’s minitwit app is structured like so:

minitwit
|-- minitwit.py
|-- static
   |-- css, js, images, etc...
`-- templates
   |-- html files and base layout

AngularJS tutorial app is structured like this:

angular-phonecat
|-- app
    `-- css
    `-- img
    `-- js
    `-- lib
    `-- partials
    `-- index.html
|-- scripts
 `-- node.js server and test server files

I could picture a Flask app by itself, and it’s fairly easy to see AngularJS app like ToDo List by itself but when it comes to using both of these technologies I don’t understand how they work together. It almost seems like I don’t need a server-side web-framework when you already have AngularJS, a simple Python web server will suffice. In the AngularJS to-do app for example they use MongoLab to talk to the database using Restful API. There was no need having a web framework on the back-end.

Maybe I am just awfully confused, and AngularJS is nothing more than a fancy jQuery library so I should use just like I would use jQuery in my Flask projects (assuming I change the AngularJS template syntax to something that doesn’t conflict with Jinja2). I hope my questions make some sense. I mainly work on the back-end and this client-side framework is an unknown territory for me.

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