docker-compose启动单个容器（docker-compose快速搭建docker私有仓库的步骤）

version: '3'
services:
 registry:
 restart: always
 image: registry:2
 ports:
  - 5000:5000
 environment:
  REGISTRY_HTTP_TLS_CERTIFICATE: /certs/registry.crt
  REGISTRY_HTTP_TLS_KEY: /certs/registry.key
  REGISTRY_AUTH: htpasswd
  REGISTRY_AUTH_HTPASSWD_PATH: /auth/htpasswd
  REGISTRY_AUTH_HTPASSWD_REALM: Registry Realm
 volumes:
  - /home/docker/registry:/var/lib/registry
  - /home/registry/cert:/certs
  - /home/registry/auth:/auth
 registry-ui:
  image: konradkleine/docker-registry-frontend:v2
  restart: always
  environment:
   - ENV_DOCKER_REGISTRY_HOST=registry
   - ENV_DOCKER_REGISTRY_PORT=5000
   - ENV_DOCKER_REGISTRY_USE_SSL=1
  ports:
   - "5001:80"

docker run --entrypoint htpasswd registry:2 -Bbn username password >> /home/registry/auth/htpasswd