add bind-tools for debugging

diff --git a/docker/root/etc/s6.d b/docker/root/etc/s6.d
Jan Christian Grünhage bdb8b56c5a add bind-tools for debugging		2年前
docker/root/etc/s6.d	initial impl	2年前
.drone.yml	initial impl	2年前
Dockerfile	add bind-tools for debugging	2年前
LICENSE	initial commit	2年前
README.md	initial impl	2年前