php容器中curl Nginx本地域名

docker-compose.yml

version:                  '3'

services:

    php:
        image:            hteen/php
        restart:          always
        privileged:       true
        extra_hosts:
          - "a.com:172.19.0.10"
        volumes:
          - ./php/php.ini:/usr/local/etc/php/php.ini
          - ./www/:/www

    nginx:
        image:            nginx
        restart:          always
        privileged:       true
        depends_on:
          - php
        ports:
          - "80:80"
        volumes:
          - ./nginx/log:/data/nginx/log
          - ./nginx/etc:/etc/nginx
          - ./www/:/www
        networks:
          default:
            ipv4_address: 172.19.0.10
networks:
  default:
    driver: bridge
    ipam:
      config:
        - subnet: 172.19.0.0/16