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README.md

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 # xoxys.docker_tidy
+
+[![Build Status](https://ci.rknet.org/api/badges/ansible/xoxys.docker_tidy/status.svg)](https://ci.rknet.org/repos/ansible/xoxys.docker_tidy)
+[![License: MIT](https://img.shields.io/badge/License-MIT-blue.svg?label=license)](https://gitea.rknet.org/ansible/xoxys.docker_tidy/src/branch/main/LICENSE)
+
+Setup docker-tidy garbage collector. Keep docker hosts small.
+
+## Table of content
+
+- [Requirements](#requirements)
+- [Default Variables](#default-variables)
+  - [dockertidy_dangling_volumes](#dockertidy_dangling_volumes)
+  - [dockertidy_docker_socket_path](#dockertidy_docker_socket_path)
+  - [dockertidy_dry_run](#dockertidy_dry_run)
+  - [dockertidy_exclude_container_label](#dockertidy_exclude_container_label)
+  - [dockertidy_exclude_container_labels](#dockertidy_exclude_container_labels)
+  - [dockertidy_exclude_image](#dockertidy_exclude_image)
+  - [dockertidy_exclude_images](#dockertidy_exclude_images)
+  - [dockertidy_image](#dockertidy_image)
+  - [dockertidy_interval](#dockertidy_interval)
+  - [dockertidy_log_level](#dockertidy_log_level)
+  - [dockertidy_max_container_age](#dockertidy_max_container_age)
+  - [dockertidy_max_image_age](#dockertidy_max_image_age)
+- [Dependencies](#dependencies)
+- [License](#license)
+- [Author](#author)
+
+---
+
+## Requirements
+
+- Minimum Ansible version: `2.10`
+
+## Default Variables
+
+### dockertidy_dangling_volumes
+
+Remove dangling volumes.
+
+#### Default value
+
+```YAML
+dockertidy_dangling_volumes: false
+```
+
+### dockertidy_docker_socket_path
+
+#### Default value
+
+```YAML
+dockertidy_docker_socket_path: /var/run/docker.sock
+```
+
+### dockertidy_dry_run
+
+Only log actions, don't cleanup anything.
+
+#### Default value
+
+```YAML
+dockertidy_dry_run: false
+```
+
+### dockertidy_exclude_container_label
+
+Never remove containers with this label `key` or label `key=value`.
+
+### dockertidy_exclude_container_labels
+
+#### Default value
+
+```YAML
+dockertidy_exclude_container_labels: []
+```
+
+### dockertidy_exclude_image
+
+Never remove images with this tag.
+
+### dockertidy_exclude_images
+
+#### Default value
+
+```YAML
+dockertidy_exclude_images: []
+```
+
+### dockertidy_image
+
+Docker image to use.
+
+#### Default value
+
+```YAML
+dockertidy_image: thegeeklab/docker-tidy:latest
+```
+
+### dockertidy_interval
+
+Interval for the systemd timer.
+
+#### Default value
+
+```YAML
+dockertidy_interval: daily
+```
+
+### dockertidy_log_level
+
+Current log level.
+
+#### Default value
+
+```YAML
+dockertidy_log_level: warning
+```
+
+### dockertidy_max_container_age
+
+Maximum age for a container, containers older than this age will be removed.
+
+#### Default value
+
+```YAML
+dockertidy_max_container_age: 5 days ago
+```
+
+### dockertidy_max_image_age
+
+Maxium age for an image, images older than this age will be removed.
+
+#### Default value
+
+```YAML
+dockertidy_max_image_age: 3 days ago
+```
+
+## Dependencies
+
+None.
+
+## License
+
+MIT
+
+## Author
+
+[Robert Kaussow](https://gitea.rknet.org/xoxys)