The Dockerfile is based on the ubuntu:rolling image.
Build The Image
docker build -t offsec .
Start The Container
The current working directory will be shared and mapped to the /root/shared directory.
docker run --hostname offsec --rm -v $PWD:/root/shared --cap-add=SYS_PTRACE --security-opt seccomp=unconfined -d --name offsec -i offsec
Spawn a Shell
docker exec -it offsec /bin/bash