diff --git a/Dockerfile b/Dockerfile
index 9cee4ee..896f02e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -17,6 +17,7 @@ RUN \
 
 ENV ADMIN_TOKEN=''
 ENV RIDE2GO_TOKEN=''
+ENV SECRET_KEY=''
 ENV METRICS_USER=''
 ENV METRICS_PASSWORD=''