我最近开始迁移到Docker 1.9和Docker-Compose 1.5的网络功能，以使用链接进行替换。

到目前为止，链接没有问题，nginx通过docker-compose连接到我的php5-fpm
fastcgi服务器，该服务器位于一组中的另一台服务器中。新近，虽然当我运行docker-compose --x-networking upphp-
fpm时，mongo和nginx容器启动，但是nginx随即退出[emerg] 1#1: host not found in upstream "waapi_php_1" in /etc/nginx/conf.d/default.conf:16

但是，如果我在运行php和mongo容器（退出nginx）时再次运行docker-compose命令，nginx将启动并自此正常运行。

这是我的docker-compose.yml文件：

nginx:
  image: nginx
  ports:
    - "42080:80"
  volumes:
    - ./config/docker/nginx/default.conf:/etc/nginx/conf.d/default.conf:ro

php:
  build: config/docker/php
  ports:
    - "42022:22"
  volumes:
    - .:/var/www/html
  env_file: config/docker/php/.env.development

mongo:
  image: mongo
  ports:
    - "42017:27017"
  volumes:
    - /var/mongodata/wa-api:/data/db
  command: --smallfiles

这是我default.conf的nginx：

server {
    listen  80;

    root /var/www/test;

    error_log /dev/stdout debug;
    access_log /dev/stdout;

    location / {
        # try to serve file directly, fallback to app.php
        try_files $uri /index.php$is_args$args;
    }

    location ~ ^/.+\.php(/|$) {
        # Referencing the php service host (Docker)
        fastcgi_pass waapi_php_1:9000;

        fastcgi_split_path_info ^(.+\.php)(/.*)$;
        include fastcgi_params;

        # We must reference the document_root of the external server ourselves here.
        fastcgi_param SCRIPT_FILENAME /var/www/html/public$fastcgi_script_name;

        fastcgi_param HTTPS off;
    }
}

我如何才能使nginx仅与单个docker-compose调用一起使用？