Based on latest source as of image build time.
Source code and instructions: https://github.com/nicehash/nheqminer
git clone git@github.com:taskinen/nheqminer.git
cd nheqminer
docker build -t nheqminer .
docker run -d -ti nheqminer -u <YOUR_BITCOIN_ADDRESS>
That will start the miner in background and pay the profits to your Bitcoin address.
You can monitor the progress from https://www.nicehash.com/?p=miners&addr=YOUR_BITCOIN_ADDRESS