app.js

//ehQcVP7N4COIDvMl
const express = require("express");
const mongoose = require("mongoose");
const { MONGOURI } = require("./config/keys");
const PORT = process.env.PORT || 5000;

mongoose.connect(MONGOURI, {
  useUnifiedTopology: true,
  useNewUrlParser: true,
  useFindAndModify: true,
});
mongoose.connection.on("connected", () => {
  console.log("mongoose connected");
});
mongoose.connection.on("error", (err) => {
  console.log(err);
});

require("./models/user");
require("./models/expenses");
const authroutes = require("./routes/auth");
const expensesRoutes = require("./routes/expense");
const app = express();
app.use((req, res, next) => {
  res.header("Access-Control-Allow-Origin", "*");
  res.header(
    "Access-Control-Allow-Headers",
    "Origin,X-Requested-With,Content-Type,Accept,Authorization"
  );
  if (req.method === "OPTIONS") {
    res.header("Access-Control-Allow-Methods", "PUT, POST, PATCH, DELETE");
    return res.status(200).json({});
  }
  next();
});
app.use(express.json());
app.use(authroutes);
app.use(expensesRoutes);

app.listen(PORT, () => {
  console.log("hello from 3000");
});