index.js

const fs = require('fs')
const express = require('express')
const app = express()
const https = require('https')
const privateKey = fs.readFileSync( '/etc/letsencrypt/live/vanilla-sudoku.com/privkey.pem')
const certificate = fs.readFileSync( '/etc/letsencrypt/live/vanilla-sudoku.com/cert.pem' )
const port = 443

app.use((req, res, next) => { console.log(`${new Date().toUTCString()} ${req.method} ${req.path} ${req.ip}`); next() })
app.use((error, req, res, next) => { console.log(`log error stuff ${req.path}`); next() })
app.use(express.static('static'))
app.use('/static', express.static('static'))

app.all('*', (req, res) => {
    res.status(404).send("Not Found")
})

https.createServer({
    key: privateKey,
    cert: certificate,
}, app).listen(port)