docker run -d \
    -v /var/run/docker.sock:/var/run/docker.sock \
    --restart always \
    --name rawdns \
    tianon/rawdns:1.8
dig @$(docker inspect -f '{{.NetworkSettings.IPAddress}}' rawdns) rawdns.docker

curl -o rawdns -fL "https://github.com/tianon/rawdns/releases/download/1.8/rawdns-$(dpkg --print-architecture)"
chmod +x rawdns
# or
wget -O rawdns "https://github.com/tianon/rawdns/releases/download/1.8/rawdns-$(dpkg --print-architecture)"
chmod +x rawdns