diff --git a/files/bin/docker-ip b/files/bin/docker-ip
new file mode 100755
index 0000000..f5a31ce
--- /dev/null
+++ b/files/bin/docker-ip
@@ -0,0 +1,3 @@
+#!/bin/sh
+
+exec docker inspect --format '{{ .NetworkSettings.IPAddress }}' "$@"