app.js

const express = require("express"); //for routing
const mongoose = require("mongoose"); //for database operation it is an ODM 
const bodyParser = require("body-parser"); //For parsing the data which we will get from the frontend
const cors = require("cors"); //cross origin support
const path = require("path");
const app = express();
app.use(bodyParser.urlencoded({ extended: false }));
app.use(bodyParser.json());
app.use(express.json());
app.use(cors());

const port = process.env.PORT || 8080;
app.set("port", port);

const routes = require("./routes/api/index");
app.use("/api", routes);
app.use('/static', express.static(path.join(__dirname)))

//Import Datbase URL
var db = require("./config/conn").url;

//MongoDB Datbase Connection
mongoose
    .connect(db, { useNewUrlParser: true, useUnifiedTopology: true })
    .then(() => console.log("MongoDB Connected"))
    .catch((err) => console.log(err));

app.use('/',(req,res)=>{
    res.send("<h1>Firefly Backend Server</h1>");
})

//We are running our application on server port : 8080
app.listen(port, () => {
    console.log(`Server running on port: ${port}`);
});