diff --git a/entrypoint.sh b/entrypoint.sh
index a12e42e..921644d 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -2,6 +2,7 @@
 
 if [ "$(tr '[:upper:]' '[:lower:]' <<<"$NODE_ENV")" = "production" ]; then
     npm run build:prod
+    git rev-parse HEAD >.build/revision
 fi