cat-index.js.sh

cat << EOF > index.js
var http = require("http");
var os = require("os");

var server = http
  .createServer(function (request, response) {
    response.writeHead(200, {
      "Content-Type": "text/plain",
    });

    response.end(
      "Request processed by http-server on: " + os.hostname() + "\n"
    );
  })
  .listen(8080);
console.log("Listening on port 8080");
EOF