Google-Admin-SDK/ecosystem.config.js

module.exports = {
  apps : [{
  name: 'FCM-SDK-Admin',
  script: 'index.js',
  exec_mode: 'cluster',
  instances: "1",
  watch: true,
  env: {
    "PORT": 3004,
    "NODE_ENV": "development",
  },
  env_production : {
     "PORT": 3004,
     "NODE_ENV": "production"
  }
  }]
};