我想两个版本php,这样但是ngnix找不到fpm，site1也改成了 9072 9056,想问你我这种写法有错吗，谢谢了

[guoweibo]

php72:
build: ./php/php72/
ports:
- "9072:9072"
expose:
- "9072"
volumes:
- ./www/:/var/www/html/:rw
- ./conf/php72/php.ini:/usr/local/etc/php/php.ini:ro
- ./conf/php72/php-fpm.d/www.conf:/usr/local/etc/php-fpm.d/www.conf:rw
- ./log/php-fpm-72/:/var/log/php-fpm/:rw
links:
- mysql:mysql

php56:
build: ./php/php56/
ports:
- "9056:9056"
expose:
- "9056"
volumes:
- ./www/:/var/www/html/:rw
- ./conf/php56/php.ini:/usr/local/etc/php/php.ini:ro
- ./conf/php56/php-fpm.d/www.conf:/usr/local/etc/php-fpm.d/www.conf:rw
- ./log/php-fpm-56/:/var/log/php-fpm/:rw
links:
- mysql:mysql

[yeszao]

Nginx下面是怎么配置的？
大概要配置成，docker-compose.yml的nginx：

links: 
    - php72:fpm72
    - php56:fpm56

nginx的conf配置：
一个站点：

fastcgi_pass   fpm72:9072;

另外一个站点：

fastcgi_pass   fpm56:9056;