app.js

const express = require('express')
const dotenv = require('dotenv').config()
const port = process.env.PORT || 5000
const mongoose = require('mongoose')
const passport = require('passport')
const session = require('express-session')
const cors = require('cors')
const path = require('path');

// Connect to db
mongoose.connect(process.env.MONGO_URI)

mongoose.connection.on('connected', () => {
    console.log(`Connected to database ${process.env.MONGO_URI}`)
})

mongoose.connection.on('error', (err) => {
    console.log(`Database error: ${err}`)
})

const app = express()

app.use(cors())

// express bodyparser
app.use(express.json())
app.use(express.urlencoded({ extended: false }))

// Passport middleware
app.use(session({ secret: 'SECRET' }));
app.use(passport.initialize())
app.use(passport.session())
require("./config/passport")(passport)

// Routes
app.use('/api/posts', require('./routes/postRoutes'))
app.use('/api/users', require('./routes/userRoutes'))

app.get('/', (req, res) => {
    res.send('invaild endpoint');
});

if (process.env.NODE_ENV === 'production') {
    app.use(express.static(path.join(__dirname, 'public')));
    app.get('*', (req, res) => {
        res.sendFile(path.join(__dirname, 'public/index.html'));
    });
}

app.listen(port, () => console.log(`Server started on port ${port}`))