Based on debian:stable-slim, use this image as you would debian:stable-slim
usage:
docker run \
--cap-add NET_ADMIN \
--sysctl net.ipv4.conf.all.src_valid_mark=1 \
-v /dev/net/tun:/dev/net/tun:ro \
-v /run/dbus/system_bus_socket:/run/dbus/system_bus_socket:ro \
-it ethanscully/warp