diff --git a/Dockerfile b/Dockerfile
index 6394804..a5b15f2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,4 +2,4 @@ FROM python:3.6-alpine
 ADD . /code
 WORKDIR /code
 RUN pip install -r requirements.txt
-CMD flask run -h $HOST
+CMD flask run -h 0.0.0.0