code-push-server/docs/process.json

{
    "apps" : [
        {
            "name"      : "code-push-server",
            "max_memory_restart" : "300M",
            "script"    : "/path/to/code-push-server/bin/www",
            "instances"  : "max", //开启实例数量，max为cpu核数
            "exec_mode"  : "cluster", //集群模式，最大提升网站并发
            "env" : {
                "NODE_ENV" : "production",
                "PORT" : 3000,
                "CONFIG_FILE" : "/path/to/production/config.js"
            }
        }
    ]
}