Broken docker_service of docker cookbook

README.md

Taken from:

• /etc/systemd/system/docker.socket
• /etc/systemd/system/docker.service

On CentOS 7.3 with docker cookbook 2.15.18.

docker.service

[Unit]
Description=Docker Application Container Engine
Documentation=https://docs.docker.com
After=network-online.target docker.socket firewalld.service
Wants=network-online.target
Requires=docker.socket

[Service]
Type=notify
ExecStartPre=/sbin/sysctl -w net.ipv4.ip_forward=1
ExecStartPre=/sbin/sysctl -w net.ipv6.conf.all.forwarding=1
ExecStart=/usr/bin/dockerd  --bip=172.17.42.1/16 --group=docker -H tcp://0.0.0.0:2375 --pidfile=/var/run/docker.pid --storage-driver=devicemapper
ExecStartPost=/usr/libexec/docker/docker-wait-ready
ExecReload=/bin/kill -s HUP $MAINPID
LimitNOFILE=1048576
LimitNPROC=infinity
LimitCORE=infinity
TasksMax=infinity
TimeoutStartSec=0
Delegate=yes
KillMode=process
Restart=always
StartLimitBurst=3
StartLimitInterval=60s


[Install]
WantedBy=multi-user.target

docker.socket

[Unit]
Description=Docker Socket for the API
PartOf=docker.service

[Socket]
ListenStream=tcp://0.0.0.0:2375
SocketMode=0660
SocketUser=root
SocketGroup=docker

[Install]
WantedBy=sockets.target