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README.md

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 # docker-airflow
 [![CircleCI branch](https://img.shields.io/circleci/project/puckel/docker-airflow/master.svg?maxAge=2592000)](https://circleci.com/gh/puckel/docker-airflow/tree/master)
+[![Docker Build Status](https://img.shields.io/docker/build/puckel/docker-airflow.svg)]()
+
 [![Docker Hub](https://img.shields.io/badge/docker-ready-blue.svg)](https://hub.docker.com/r/puckel/docker-airflow/)
-[![Docker Pulls](https://img.shields.io/docker/pulls/puckel/docker-airflow.svg?maxAge=2592000)]()
-[![Docker Stars](https://img.shields.io/docker/stars/puckel/docker-airflow.svg?maxAge=2592000)]()
+[![Docker Pulls](https://img.shields.io/docker/pulls/puckel/docker-airflow.svg)]()
+[![Docker Stars](https://img.shields.io/docker/stars/puckel/docker-airflow.svg)]()
 
 This repository contains **Dockerfile** of [apache-airflow](https://github.com/apache/incubator-airflow) for [Docker](https://www.docker.com/)'s [automated build](https://registry.hub.docker.com/u/puckel/docker-airflow/) published to the public [Docker Hub Registry](https://registry.hub.docker.com/).