diff --git a/entrypoint.sh b/entrypoint.sh
index 81cc288..274286e 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -1,4 +1,5 @@
-#!/usr/bin/env bash
+#!/bin/sh -l
+set -euo pipefail
 
 mc alias set deploy $MINIO_ENDPOINT $MINIO_ACCESS_KEY $MINIO_SECRET_KEY --api S3v4