diff --git a/dockerfile/Dockerfile b/dockerfile/Dockerfile
index d4db8f4..028212e 100644
--- a/dockerfile/Dockerfile
+++ b/dockerfile/Dockerfile
@@ -1,4 +1,5 @@
 FROM nginx:alpine as base
+ARG SOURCE_COMMIT
 ENV DATABASE_URL=$DATABASE_URL
 RUN echo -e "\e[1;33mENVIRONMENT VARIABLES\e[0m"
 RUN env