Update: save Docker nginx Angular Node Flask

frontend/backend/application/__init__.py

@@ -0,0 +1,26 @@
+print("Import Flask")
+from flask import Flask
+print("Import Flask-Cors")
+from flask_cors import CORS
+
+
+def create_app(flask_env='development'):
+    print("create app")
+    app = Flask(__name__, instance_relative_config=False, static_url_path='')
+    origin = app.config.get('ALLOW_ORIGIN')
+    if origin is None:
+        origin = ['http://127.0.0.1:4200', 'http://localhost:4200']
+    CORS(app, supports_credentials=True, origins=origin)
+    if flask_env == 'production':
+        app.config.from_object("config.ProductionConfig")
+    elif flask_env == 'testing':
+        app.config.from_object("config.TestingConfig")
+    elif flask_env == 'development':
+        app.config.from_object("config.DevelopmentConfig")
+    else:
+        app.config.from_object("config.Config")
+
+    with app.app_context():
+        from . import routes
+        app.register_blueprint(routes.bp)
+    return app