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Last pushed: 7 months ago
Short Description
Automatic docker system prune
Full Description

Docker System Prune

Executes the docker system prune command to allow automatize its execution.


This image allows you to program automatically when a prune will be done in your hosts.

The main advantage over external solutions like a cron job is that you can launch it in a cluster easily: "fire & forget"

For example in a Swarm mode cluster:

docker \
  service create --name docker-system-prune \
    --mount type=bind,src=/var/run/docker.sock,dst=/var/run/docker.sock \
    --mode global \
    --restart-delay 86400s \
    --restart-max-attempts 3650 \

This would launch the "prune" command in all the nodes in the cluster once a day, more or less, during 10 years.

!!! info
You need to mount the docker socket to allow the command to be executed in the host.


As it executes the docker system prune command this can work only in nodes with Docker versions >=1.13

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