Simple docker-compose file to run your own private registry

docker-compose.yml

version: '3'
services:
 registry:
  restart: always
  image: registry
  environment:
    - REGISTRY_AUTH_HTPASSWD_REALM=Registry Realm
    - REGISTRY_AUTH_HTPASSWD_PATH=/auth/htpasswd
    - REGISTRY_HTTP_SECRET=<Some random string>
  ports:
    - 127.0.0.1:5000:5000
  volumes:
    - ./data:/var/lib/registry
    - ./auth:/auth
    - ./config.yml:/etc/docker/registry/config.yml