pm2.json

{
    "apps": [{
        // Application #1
        "name": "server",
        "script": "server/app.js",
        // 启用多少个实例，可用于负载均衡。如果-i 0或者-i max，则根据当前机器核数确定实例数目
        "instances": 0,
        "exec_mode": "cluster",
        // 如果想要你的应用，在超过使用内存上限后自动重启，那么可以加上--max-memory-restart参数
        "max_memory_restart": "1G",
        "autorestart": true,
        "merge_logs": true,
        "error_file": "logs/child-err.log",
        "out_file": "logs/child-out.log",
        "pid_file": "logs/child.pid"
    }, {
        // Application #2
        "name": "jserver",
        "script": "server/jserver/jserver.js",
        "instances": 0,
        "exec_mode": "cluster",
        "max_memory_restart": "1G",
        "autorestart": true,
        "merge_logs": true,
        "error_file": "logs/child-err.log",
        "out_file": "logs/child-out.log",
        "pid_file": "logs/child.pid"
    }]
}