added possibility to run behind a reverse proxy

src/app.py

@@ -28,6 +28,10 @@ def create_app():
 	if len(secret_key) < 20:
 		raise Exception("Internal error: insecure secret key")
 	app.secret_key = secret_key
+	
+	if app.config['BEHIND_REVERSE_PROXY']:
+		from werkzeug.middleware.proxy_fix import ProxyFix
+		app.wsgi_app = ProxyFix(app.wsgi_app)
 
 	from api import api_document
 	app.register_blueprint(api_document.bp)

src/app_config.py

@@ -6,3 +6,5 @@ DATA_ROOT_DIR = os.path.realpath(src_path+'/../data')
 DOCUMENT_ROOT_DIR = os.path.realpath(DATA_ROOT_DIR+'/doc')
 
 ADMIN_PASSWORD = '' # You must override this in config.py or the application won't start
+
+BEHIND_REVERSE_PROXY = False