#!/bin/sh # Copyright (c) Facebook, Inc. and its affiliates. # `daemon.json` is normally missing, but let's log it in case that changes. touch /etc/docker/daemon.json service docker stop echo '{"ipv6": true, "fixed-cidr-v6": "2001:db8:1::/64"}' > /etc/docker/daemon.json service docker start # Fail early if docker failed on start -- add `- sudo dockerd` to debug. docker info # Paranoia log: what if our config got overwritten? cat /etc/docker/daemon.json