Update README.md

README.md

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 [![Python version badge](https://img.shields.io/badge/Python-3.9-blue.svg)](https://www.python.org/) [![Flask version badge](https://img.shields.io/badge/Flask-2.0.1-green.svg)](https://flask.palletsprojects.com) [![Peewee version badge](https://img.shields.io/badge/Peewee-3.14.0-green.svg)](https://docs.peewee-orm.com/)
 
+[![Pytest badge](https://github.com/kianby/stacosys/workflows/pytest/badge.svg)](https://github.com/kianby/stacosys) [![Docker badge](https://github.com/kianby/stacosys/workflows/docker/badge.svg)](https://hub.docker.com/r/kianby/stacosys)  
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 ## Stacosys
 
 Stacosys (aka STAtic blog COmment SYStem) is a fork of [Pecosys](http://github.com/kianby/pecosys) trying to fix Pecosys design drawbacks and to provide an humble alternative to comment hosting services like Disqus. Stacosys protects your readers's privacy.
@@ -46,7 +48,7 @@ Stacosys can be hosted on the same server or on a different server than the blog
 
 ### Installation
 
-Build is based on [Poetry](https://python-poetry.org/) but you can also use [published releases](https://github.com/kianby/stacosys/releases) or [Docker image](https://hub.docker.com/repository/docker/kianby/stacosys).
+Build is based on [Poetry](https://python-poetry.org/) but you can also use [published releases](https://github.com/kianby/stacosys/releases) or [Docker image](https://hub.docker.com/r/kianby/stacosys).
 
 ### Improvements