process.json

{
  "apps": [
    {
      "name": "backend-core-project",
      "script": "./dist/main.js",
      "exec_mode": "fork",
      "instances": 1,
      "env": {
        "NODE_ENV": "development"
      },
      "env_production": {
        "NODE_ENV": "production"
      }
    }
  ]
}