update

app/__init__.py

@@ -1,8 +1,11 @@
-from flask import Flask, render_template
-from flask_bootstrap import Bootstrap
-from flask_moment import Moment
+from flask import Flask
+from config import config
 
 
 def create_app(config_name):
     app = Flask(__name__)
+    app.config.from_object(config[config_name])
+    from .main import main as main_blueprint
+    app.register_blueprint(main_blueprint)
+
     return app

app/main/__init__.py

@@ -1,3 +1,5 @@
 from flask import Blueprint
 
 main = Blueprint('main', __name__)
+
+from . import views, errors

app/main/views.py

@@ -0,0 +1,7 @@
+from . import main
+import json
+
+
+@main.route('/', methods=['GET', 'POST'])
+def index():
+    return json.dumps({'Message': 'Hello, world'})

config.py

@@ -0,0 +1,20 @@
+import os
+
+basedir = os.path.abspath(os.path.dirname(__file__))
+
+
+class Config:
+    @staticmethod
+    def init_app(app):
+        pass
+
+
+class DevelopmentConfig(Config):
+    DEBUG = True
+
+
+config = {
+    'development': DevelopmentConfig,
+
+    'default': DevelopmentConfig
+}