index.js

const bodyParser = require('body-parser')
const express    = require('express')
const session    = require('express-session')
const sslify     = require('express-sslify')
const http       = require('http')
const path       = require('path')
const api        = require('./api')
const dockerfile = require('./api/dockerfilegen')
const config     = require('./config')
const  cors       = require('cors');

const app    = express()
const server = http.createServer(app)
const port   = process.env.DOCKER_UI_PORT || config.port || 9898
const host   = process.env.DOCKER_UI_HOST || config.host || 'localhost'
const assets = process.env.NODE_ENV === 'production' ? 'dist' : 'build'


// use it before all route definitions
app.use(cors({origin: '*'}));
// Force https if needed
if (process.env.DOCKER_UI_HTTPS || config.https) {
  app.use(sslify.HTTPS({trustProtoHeader: process.env.DOCKER_UI_HTTPS_PROTO || config.httpsProto}))
}

// Add static files
app.use(express.static(path.join(__dirname, assets)))

// Add body parse middleware
app.use(bodyParser.json())
app.use(bodyParser.urlencoded({extended: true}))

// Add session middleware
app.use(session({
  key:               'docker-ui.sid',
  secret:            process.env.DOCKER_UI_SECRET || config.secret || 'secret',
  resave:            false,
  saveUninitialized: true,
}))

// Route to the api
app.use('/api/v1', api)


// Route to the Dockerfile generator
app.use("/api/dockerfile", dockerfile.router)

// Route to the index file
app.use('*', (req, res) => {
  res.sendFile(path.join(__dirname, `${assets}/index.html`))
})

// Start the server
server.listen(port, host, err => {
  if (err) throw err
  console.log(`Listening ${host}:${port}`)
})