company_official/backend/app/__init__.py

from flask import Flask
from flask_sqlalchemy import SQLAlchemy
from flask_migrate import Migrate
from flask_cors import CORS
from flask_jwt_extended import JWTManager
from .config import Config

db = SQLAlchemy()
migrate = Migrate()
jwt = JWTManager()

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

    db.init_app(app)
    migrate.init_app(app, db)
    CORS(app)
    jwt.init_app(app)

    from app import routes, models
    app.register_blueprint(routes.bp)
    app.register_blueprint(routes.static_bp)

    return app