text: from flask import Flask
  from flask_bootstrap import Bootstrap
  from config import config_options
  from flask_sqlalchemy import SQLAlchemy
  from flask_login import LoginManager
  from flask_uploads import UploadSet, configure_uploads,IMAGES
  from flask_mail import Mail
  
  
  
  
  # Initializing Flask Extensions
  login_manager = LoginManager()
  login_manager.session_protection = 'strong'
  login_manager.login_view = 'auth.login'
  bootstrap = Bootstrap()
  mail = Mail()
  db = SQLAlchemy()
  bootstrap = Bootstrap()
  photos = UploadSet('photos',IMAGES)
  
  
  def create_app(config_name):
    app = Flask(__name__)
    #create app config
    app.config.from_object(config_options[config_name])
    #initialize flask exts
    configure_uploads(app,photos)
    bootstrap.init_app(app)
    db.init_app(app)
    mail.init_app(app)
    login_manager.init_app(app)
    
    # Registering the blueprint
    from .main import main as main_blueprint
    app.register_blueprint(main_blueprint)
  
    from .auth import auth as auth_blueprint
    app.register_blueprint(auth_blueprint,url_prefix = '/authenticate')
    
    #return views
    return app