add pm2

playground-client/install-npm.sh

@@ -12,4 +12,4 @@ npm cache clean --force
 
 cp VuetableCssConfig.js node_modules/vuetable-2/src/components
 
-pm2-runtime playground.config.js
+pm2-runtime playground.config.js &

playground-client/playground.config.js

@@ -4,9 +4,12 @@ module.exports = {
     "autorestart" : true,
     "script"      : "./node_modules/@vue/cli-service/bin/vue-cli-service.js",
     "args"        : 'serve',
+    "run_as_user" : "node",
+    "exec_mode"   : "fork",
     "max_restarts": 10,
     "max_memory_restart": "500M",
     "restart_delay": 1000
   }]
 }
 
+