volumes: nginx_conf: services: nginx: image: nginx container_name: nginx ports: - "80:80" volumes: - nginx_conf:/etc/nginx/conf.d:ro dockergen: image: nginxproxy/docker-gen command: -notify-sighup nginx -watch /etc/docker-gen/templates/nginx.tmpl /etc/nginx/conf.d/default.conf volumes: - /var/run/docker.sock:/tmp/docker.sock:ro - ./nginx.tmpl:/etc/docker-gen/templates/nginx.tmpl - nginx_conf:/etc/nginx/conf.d whoami: image: jwilder/whoami environment: - VIRTUAL_HOST=whoami.example