Firstly clone the repo

git clone https://github.com/jmcurran/tferDocker.git

Change into the tferDocker directory and build the image

cd tferDocker
docker build -t tfer .

Type the following into a terminal

docker run --rm -p 3838:3838 tfer 

then put the following into your favourite browser's address bar

127.0.0.1:3838

You can do this by typing Ctrl-C into the terminal you ran the app from, or you can use

docker ps

to find the ContainerID of the runnning app and typing

docker kill <ContainerID>

into a terminal window.