sampe VS Code debugging launch configuration

launch.json

{
    // Use IntelliSense to learn about possible attributes.
    // Hover to view descriptions of existing attributes.
    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
    "version": "0.2.0",
    "configurations": [
        {
            "type": "node",
            "request": "launch",
            "name": "Launch Program",
            "program": "${workspaceFolder}/app.js",
            "runtimeArgs": ["--nolazy"],
            "env": {
                "APP_SETTINGS_FILE_PATH": "${cwd}/config/appSettings.json"
            }
        }
    ]
}