app.js

const express = require('express')
const AppDataSource = require('./data-source')
const postRouter = require('./routes/posts')
require('express-async-errors')
const errorHandler = require('./middleware/ErrorHandler')
const logger = require('./middleware/logger')

const app = express()

app.use(express.json())
app.use(express.urlencoded({extended: true}))
app.use(logger)

AppDataSource.initialize()
    .then(() => {
        console.log('database connection successfully initialized')

        app.use('/posts', postRouter)

        app.listen(3000, () => {
            console.log('listening on port 3000')
        })
    })
    .catch(err => {
        console.error(err)
    })

app.use(errorHandler)