Update README.md

README.md

@@ -8,22 +8,19 @@ Mythril is a security analysis tool for Ethereum smart contracts. It uses the [L
 
 ## Installation and setup
 
-Install from Pypi:
+Build the [Docker](https://www.docker.com) image:
 
 ```bash
-$ pip3 install mythril
+$ git clone https://github.com/b-mueller/mythril/
+$ docker build mythril
 ```
 
-Or, clone the GitHub repo to install the newest master branch:
+Install from Pypi:
 
 ```bash
-$ git clone https://github.com/b-mueller/mythril/
-$ cd mythril
-$ python3 setup.py install
+$ pip3 install mythril
 ```
 
-Note that Mythril requires Python 3.5 to work.
-
 ## Security analysis
 
 Run `myth -x` with one of the input options described below to run the analysis. This will run the Python modules in the [/analysis/modules](https://github.com/b-mueller/mythril/tree/master/mythril/analysis/modules) directory.