text: const app = require('express')();
  const appid = process.env.APPID;
  
  app.get("/", (req, res) =>
  res.send(`appid: ${appid} home page: says hello!`))
  
  app.get("/app1", (req, res) =>
  res.send(`appid: ${appid} app1 page: says hello!`))
  
  app.get("/app2", (req, res) =>
  res.send(`appid: ${appid} app2 page: says hello!`))
  
  app.get("/admin", (req, res) =>
  res.send(`appid: ${appid} admin page: very few people should see this!`))
  
  app.listen(9999, () => console.log(`${appid} is listening on port 9999`))