$ sudo mkdir /etc/docker-registry
$ htpasswd -Bbn oliver T0Ps3crEt | sudo tee /etc/docker-registry/htpasswd
oliver:$2y$05$lAmkjHRcR0.TK52/rHR/Pe86AGZqpRleXenHVT/eabFe8He5UZiPu
$ docker run -p 5000:5000 --name registry -v /etc/docker-registry/:/auth -e "REGISTRY_AUTH=htpasswd" -e REGISTRY_AUTH_HTPASSWD_PATH=/auth/htpasswd -e "REGISTRY_AUTH_HTPASSWD_REALM=Registry Realm" registry:2