It is based on the phocean/msf image to provide integration with Metasploit.
docker build -t phocean/set .
docker run --rm -it --net=host -v $HOME/.msf4:/root/.msf4:Z -v /tmp/msf:/tmp/data:Z --name=set phocean/set
Dockerfile for building a Social Engineer Toolkit (SET) container and making the Docker hub magic happen.
Dockerfile