message: Update README.md
  Updated for recent docker releases
diff: # Tarpaulin
  -[![Build Status](https://travis-ci.org/xd009642/tarpaulin.svg?branch=master)](https://travis-ci.org/xd009642/tarpaulin) [![Latest Version](https://img.shields.io/crates/v/cargo-tarpaulin.svg)](https://crates.io/crates/cargo-tarpaulin) [![License:MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
  +[![Build Status](https://travis-ci.org/xd009642/tarpaulin.svg?branch=master)](https://travis-ci.org/xd009642/tarpaulin) [![Latest Version](https://img.shields.io/crates/v/cargo-tarpaulin.svg)](https://crates.io/crates/cargo-tarpaulin) [![License:MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT) ![](https://img.shields.io/docker/automated/xd009642/tarpaulin.svg)
  Tarpaulin is designed to be a code coverage reporting tool for the Cargo build
  system, named for a waterproof cloth used to cover cargo on a ship. Currently,
  @@ -159,14 +159,21 @@ after_success: |
  ### Docker
  -To run Tarpaulin on any system that has Docker, run this in your project
  -directory:
  +Tarpaulin has builds deployed to [docker-hub](https://hub.docker.com/r/xd009642/tarpaulin/),
  +to run Tarpaulin on any system that has Docker, run this in your project directory:
  ```text
  docker run --security-opt seccomp=unconfined -v "$PWD:/volume" xd009642/tarpaulin
  ```
  -This builds your project inside Docker and runs Tarpaulin without any arguments.
  +This builds your project inside Docker and runs Tarpaulin without any arguments. There are
  +also tags available for the latest version on the develop branch in stable or nightly. And
  +versions after 0.5.6 will have the latest release built with the rust stable and nightly
  +compilers. To get the latest development version built with rustc-nightly run the following:
  +
  +```text
  +docker run --security-opt seccomp=unconfined -v "$PWD:/volume" xd009642/tarpaulin:develop-nightly
  +```
  Note that the build might fail if the Docker image doesn't contain any necessary
  dependencies. In that case, you can install dependencies before, like this:
  