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From SME Server
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status disabled
status disabled
signal-event yum-modify
signal-event yum-modify
yum --enablerepo=extras,docker-ce-stable install docker-ce docker-ce-cli
yum --enablerepo=extras,docker-ce-stable install docker-ce docker-ce-cli
So we get a service in /etc/systemd/system-preset/49-koozali.preset
config set docker service status enabled
config set containerd service status enabled
mkdir -p /home/e-smith/files/docker
mkdir -p /home/e-smith/files/docker/configs
Startup options
The big issue is getting this to work correctly with the firewall.
https://docs.docker.com/compose/compose-file/compose-file-v3
Host mode where the container has the same IP as the server and the service runs the same as any other host service, and can talk to other local host services easily, but exposes the container more.
Bridge mode where the container is on it's own internal docker network that is bridged to the local machine, but then queries emanating from the container will have the internal docker IP and can be refused by real 'local' services eg AD/MySQL etc. unless the firewall or other services can be adjusted.
https://docs.docker.com/compose/compose-file/compose-file-v3/#network_mode
network_mode: "bridge"
network_mode: "host"
network_mode: "none"
network_mode: "service:[service name]"
network_mode: "container:[container name/id]"
https://docs.docker.com/compose/compose-file/compose-file-v3/#ports
Port mapping is incompatible with network_mode: host
https://docs.docker.com/engine/reference/commandline/dockerd/#daemon-configuration-file
We can add startup options via /etc/docker/daemon.json
===Files to modify?===
===Files to modify?===
systemd unit file
/etc/e-smith/templates/home/e-smith/files/docker/configs/docker-compose.yml
/etc/e-smith/templates/usr/lib/systemd/system/docker.service.d/50koozali.conf
40service
[Service]
Type=notify
# the default is not to use systemd for cgroups because the delegate issues still
# exists and systemd currently does not support the cgroup feature set required
# for containers run by docker
# docker home set to /home/e-smith/files/docker
ExecStart=/usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock -g /home/e-smith/files/docker
ExecReload=/bin/kill -s HUP $MAINPID
TimeoutSec=0
RestartSec=2
Restart=always
80install
[Install]
WantedBy=sme-server.target
=== Old Unit file ===
Previous unit file for ref
[Unit]
[Unit]
[Install]
[Install]
WantedBy=multi-user.target
WantedBy=multi-user.target
[[Category:Containers]]
[[Category:Containers]]
[[Category:Containers:Docker]]
[[Category:Containers:Docker]]
