How to monitor Node.js application using Climen and Autocannon

package.json

// The "-r" flag allows you to preload a module when running Node, see https://www.stephenlewis.me/blog/node-dash-r
"scripts": {
    "start": "CLIMEM=8999 node -r climem index.js",
    "climem": "npx climem 8999",
    "test": "npx autocannon -c 100 -d 30 -p 10 http://localhost:3000"
 }