gallery-frontend/render.js

const PORT = 4000;

//require('reflect-metadata');
require('zone.js/dist/zone-node');
const { renderModuleFactory } = require('@angular/platform-server');
const { enableProdMode } = require('@angular/core');
const { join } = require('path');
const express = require('express');
const fs = require('fs');

const { AppServerModuleNgFactory } = require('./dist-ssr/main.bundle');


enableProdMode();
const app = express();
let template = fs.readFileSync('dist/index.html', 'utf8');

app.engine('html', (_, options, callback) => {
    renderModuleFactory(AppServerModuleNgFactory, {
        document: template,
        url: options.req.url
    }).then(html => callback(null, html));
});

app.set('view engine', 'html');
app.set('views', 'dist')

app.get('*.*', express.static(join(__dirname, 'dist')));
app.get('*', (req, res) => {
  res.render('index', { req });
});

app.listen(PORT, () => {
    console.log(`listening on http://localhost:${PORT}!`);
});