pm2.json

{
	"apps": [{
			"name": "bp_monitor",
			"script": "./src/bp_monitor.js",
			"node_args": "--max_old_space_size=1024",
			"instances": 1,
			"max_memory_restart": "512M",
			"autorestart": true,
			"merge_logs": true,
			"watch": ["src"],
			"instance_var": "INSTANCE_ID",
			"watch_options": {
				"usePolling": true
			},
			"env": {
				"NODE_ENV": "production"
			},
			"error_file": "./logs/pm2-bp-err.log",
			"out_file": "./logs/pm2-bp-out.log"
        },
        {
			"name": "node_monitor",
			"script": "./src/node_monitor.js",
			"node_args": "--max_old_space_size=1024",
			"instances": 1,
			"max_memory_restart": "512M",
			"autorestart": true,
			"merge_logs": true,
			"watch": ["src"],
			"instance_var": "INSTANCE_ID",
			"watch_options": {
				"usePolling": true
			},
			"env": {
				"NODE_ENV": "production"
			},
			"error_file": "./logs/pm2-node-err.log",
			"out_file": "./logs/pm2-node-out.log"
		}
	]
}