Redirect with relative URL.

That allows proxy middleware to adjust/complete the Location header.

1 files changed, 2 insertions, 0 deletions

diff --git a/talermerchantdemos/survey/survey.py b/talermerchantdemos/survey/survey.py
index 57acb1d..7c5db1a 100644
--- a/talermerchantdemos/survey/survey.py
+++ b/talermerchantdemos/survey/survey.py
@@ -28,6 +28,7 @@ from flask_babel import Babel
 from flask_babel import refresh
 from flask_babel import force_locale
 from flask_babel import gettext
+from werkzeug.middleware.proxy_fix import ProxyFix
 import traceback
 from taler.util.talerconfig import TalerConfig, ConfigurationError
 from ..httpcommon import (
@@ -50,6 +51,7 @@ if not sys.version_info.major == 3 and sys.version_info.minor >= 6:
     sys.exit(1)
 
 app = flask.Flask(__name__, template_folder="../templates", static_folder="../static")
+app.wsgi_app = ProxyFix(app.wsgi_app, x_host=1, x_prefix=1)
 app.debug = True
 app.secret_key = base64.b64encode(os.urandom(64)).decode("utf-8")