index.js

const express = require("express");
const app = express();
const bodyParser = require("body-parser");
const morgan = require("morgan");
const mongoose = require("mongoose");
const cors = require("cors");
require("dotenv").config();
const authJtw = require("./helpers/jwt");
const errorHandler = require("./helpers/error-handler");
const port = 5000;

app.use(cors());
app.options("*", cors());

//middleware
app.use(bodyParser.json());
app.use(morgan("tiny"));
app.use(authJtw());
app.use('/public/uploads',express.static(__dirname + '/public/uploads'));
app.use(errorHandler);

//routers
const categoriesRouter = require("./routes/categories");
const productsRouter = require("./routes/products");
const ordersRouter = require("./routes/orders");
const usersRouter = require("./routes/users");

const api = process.env.API_URL;

app.use(`${api}/categories`, categoriesRouter);
app.use(`${api}/products`, productsRouter);
app.use(`${api}/orders`, ordersRouter);
app.use(`${api}/users`, usersRouter);

mongoose
  .connect(process.env.CONNECTION_STRING, {
    useNewUrlParser: true,
    useUnifiedTopology: true,
  })
  .then(() => {
    console.log("Connected to Mongoose");
  })
  .catch((err) => console.log(err));
app.listen(port, () => {
  // console.log(api);
  // console.log("Server is running on port " + port);
});