transcription-cost-usage-report/backend/app/__init__.py

from flask import Flask
from flask_restx import Api
from .config import Config 
from .extensions import init_mongo, init_jwt 
from .errors.handlers import register_error_handlers 
from .routes.usage_routes import usage_ns
from .routes.auth_routes import auth_ns
from .routes.billing_routes import billing_ns
from flask_cors import CORS

def create_app():
    app = Flask(__name__)
    app.config.from_object(Config)  

    CORS(app, origins=app.config["FRONTEND_URL"], supports_credentials=True)
 
    init_mongo(app)
    init_jwt(app)
  
    api = Api(
        app, 
        title='Trascription usage API', 
        version='1.0', 
        description='API documentation',
        doc='/docs',
        prefix='/api/v1',
        authorizations={
                'Bearer Auth': {
                    'type': 'apiKey',
                    'in': 'header',
                    'name': 'Authorization',
                    'description': "Enter your JWT token as: **Bearer <token>**"
                }
            }
        )
        
    api.add_namespace(usage_ns, path='/usage')
    api.add_namespace(auth_ns, path='/auth')  
    api.add_namespace(billing_ns, path='/billing')
 
    register_error_handlers(app)

    return app