app.js

const express = require("express");
const bodyParser = require("body-parser");
const request = require("request");
const https = require("https");
const app = express();
app.use(express.static("public"));
app.use(bodyParser.urlencoded({ extended: true }));
app.post("/", (req, res) => {
  const fname = req.body.fname;
  const lname = req.body.lname;
  const email = req.body.email;
  const data = {
    members: [
      {
        email_address: email,
        status: "subscribed",
        merge_fields: {
          FNAME: fname,
          LNAME: lname,
        },
      },
    ],
  };
  const jsonData = JSON.stringify(data);
  console.log(jsonData);
  const url = process.env.URI;
  const options = {
    method: "POST",
    auth: process.env.AUTH,
  };
  const request = https.request(url, options, function (response) {
    if (response.statusCode === 200) {
      res.send("Succesfully Subscribed");
    } else {
      res.send("There was an error");
    }

    response.on("data", function (data) {
      console.log(JSON.parse(data));
    });
  });

  request.write(jsonData);
  request.end();
});

app.get("/", (req, res) => {
  res.sendFile(__dirname + "/index.html");
});

app.listen(process.env.PORT || 3000, () => {
  console.log(`Server running`);
});