Re-tagged blog posts

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Brandon Rozek 2022-01-02 14:24:29 -05:00
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title: "Auto Purge Old Docker Images"
date: 2020-09-28T23:30:22-04:00
draft: false
tags: []
tags: ["Containers"]
---
I use [Watchtower](https://github.com/containrrr/watchtower) to automatically update the docker images I use. After leaving it for several months, I've realized that I have been storing over 100GB of old docker images. I needed a way to automatically purge old images and [Systemd Timers](https://opensource.com/article/20/7/systemd-timers) is the solution.