diff --git a/docker-registry/ports.sh b/docker-registry/ports.sh
new file mode 100644
index 0000000..75b1484
--- /dev/null
+++ b/docker-registry/ports.sh
@@ -0,0 +1,5 @@
+#!/bin/bash
+source "${AGENT_PATH}/common.sh"
+_check_required_env_vars "REGISTRY_PORT"
+
+echo "$REGISTRY_PORT"