from flask import Flask
from flask_sqlalchemy import SQLAlchemy
from flask_migrate import Migrate
from config import app_config

db = SQLAlchemy()
def create_app(config_name):
	app = Flask(__name__, instance_relative_config=True)
	app.config.from_object(app_config[config_name])
	app.config.from_pyfile('config.py')
	db.init_app(app)
	from app import models
	migrate = Migrate(app, db)

	@app.route('/')
	def hello_world():
		return 'Hello, World!'

	return app