diff --git a/startup.sh b/startup.sh
new file mode 100755
index 0000000..b8300d9
--- /dev/null
+++ b/startup.sh
@@ -0,0 +1,7 @@
+#!/bin/bash
+
+[[ "$1" == "default" ]] && {
+  /usr/sbin/sshd -D
+}
+
+exec "$@"