Docker-101: added working systemd config example
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@ -84,6 +84,11 @@ Note the names and ID's of containers are list in ``docker ps``. You an even typ
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Access can also be through one or more network ports, or disk volumes. Both are specified on and fixed on ``docker create`` or ``run``.
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Access can also be through one or more network ports, or disk volumes. Both are specified on and fixed on ``docker create`` or ``run``.
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You can view the console output of the main container process too:
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```bash
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$ docker logs -f <container-name-or-id>
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```
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### Docker disk use
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### Docker disk use
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Trying out different images can fill some gigabytes of disk quickly. Besides images, the docker volumes usually take up most disk space.
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Trying out different images can fill some gigabytes of disk quickly. Besides images, the docker volumes usually take up most disk space.
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@ -93,3 +98,45 @@ If you care only about trying out docker and not about what is running or saved,
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$ docker rmi -f $(docker images -aq) # remove or mark all images for disposal
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$ docker rmi -f $(docker images -aq) # remove or mark all images for disposal
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$ docker volume rm $(docker volume ls -q) # remove all volumes
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$ docker volume rm $(docker volume ls -q) # remove all volumes
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```
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```
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### SystemD config
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Systemd is the process manager of choice on ubuntu. Once you have a ``docker`` service installed, you can add use the following steps to set up Shaarli to run on system start.
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```bash
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systemctl enable /etc/systemd/system/docker.shaarli.service
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systemctl start docker.shaarli
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systemctl status docker.*
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journalctl -f # inspect system log if needed
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```
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You will need sudo or a root terminal to perform some or all of the steps above. Here are the contents for the service file:
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```
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[Unit]
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Description=Shaarli Bookmark Manager Container
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After=docker.service
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Requires=docker.service
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[Service]
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Restart=always
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# Put any environment you want in here, like $host- or $domainname in this example
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EnvironmentFile=/etc/sysconfig/box-environment
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# It's just an example..
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ExecStart=/usr/bin/docker run \
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-p 28010:80 \
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--name ${hostname}-shaarli \
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--hostname shaarli.${domainname} \
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\
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-v /srv/docker-volumes-local/shaarli-data:/var/www/shaarli/data:rw \
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-v /etc/localtime:/etc/localtime:ro \
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\
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shaarli/shaarli:latest
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ExecStop=/usr/bin/docker rm -f ${hostname}-shaarli
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[Install]
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WantedBy=multi-user.target
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```
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