http://hmmer.org/documentation.html http://eddylab.org/software/hmmer/Userguide.pdf
https://docs.docker.com/get-started/
https://docs.docker.com/docker-for-mac/install/
https://www.digitalocean.com/community/tutorials/how-to-install-and-use-docker-on-ubuntu-18-04
You will need to build a Docker image from the Dockerfile and you need to be in the same directory where the Dockerfile is located to execute build command
cd hmmer-docker
docker build --tag my_hmmer .
docker run -it my_hmmer:latest <HMMER command>
docker run -it my_hmmer:latest hmmsearch -h