Update

backend/application/__init__.py

@@ -0,0 +1,31 @@
+from flask import Flask
+from flask_sqlalchemy import SQLAlchemy
+from ddtrace import patch_all
+import sys
+import os
+
+db = SQLAlchemy()
+patch_all()
+
+
+def create_app():
+    app = Flask(__name__)
+    FLASK_ENV = os.environ.get('FLASK_ENV', None)
+    if FLASK_ENV == 'production':
+        app.config.from_object("config.ProductionConfig")
+    elif FLASK_ENV == 'staging':
+        app.config.from_object("config.StagingConfig")
+    elif FLASK_ENV == 'development':
+        app.config.from_object("config.DevelopmentConfig")
+    else:
+        app.config.from_object("config.Config")
+
+    if app.config['SQLALCHEMY_DATABASE_URI_1'] is None or app.config['SQLALCHEMY_DATABASE_URI_2'] is None:
+        print('No ENV Variable for DATABASE_URL_1 or DATABASE_URL_2')
+        sys.exit(1)
+
+    db.init_app(app)
+    with app.app_context():
+        from . import routes
+        db.create_all()
+        return app