A daily scheduled function to rebuild a Netlify site with a build hook.

schedule-site-refresh-function.js

// npm install @netlify/functions
// to get access to scheduling function invocations 
// using cron notiation or some handy aliases

const { schedule } = require("@netlify/functions");

const handler = async function(event, context) {

  // Trigger a site rebuild and deploy
  fetch("https://api.netlify.com/build_hooks/HOOK-ID-FROM-ADMIN", {
    method: "POST"
  });

  return {
    statusCode: 200,
  };
};

exports.handler = schedule("@daily", handler);