fix(healthcheck): adjust to use BIND_ADDRESS if it is set (#7)

* fix(healthcheck): adjust to use BIND_ADDRESS if it is set

Author: andrey18106

healthcheck.sh

@@ -1,3 +1,7 @@
 #!/bin/bash
 
-nc -z localhost "$HAPROXY_PORT" || exit 1
+if [ "$BIND_ADDRESS" != "*" ]; then
+	nc -z "$BIND_ADDRESS" "$HAPROXY_PORT" || exit 1
+else
+	nc -z localhost "$HAPROXY_PORT" || exit 1
+fi