This is a docker for nheqminer version 0.4b prior to the switch to AVX instructions (https://github.com/nicehash/nheqminer). It works well with nicehash and many other mining pools.
docker run -d sfoskett/nheqminer-0.4b /nheqminer -l <server:port> -u <user_address.worker>
docker run -d sfoskett/nheqminer-0.4b /nheqminer -l zec.slushpool.com:4444 -u sfoskett.demo
Run docker run sfoskett/nheqminer-0.4b /nheqminer -h
to to see options.
After that, you can run docker run sfoskett/nheqminer-0.4b /nheqminer [OPT...]
as you like.
This docker is available at https://hub.docker.com/r/sfoskett/nheqminer-0.4b