documenso/apps/remix/server/main.js

/**
 * This is the main entry point for the server which will launch the RR7 application
 * and spin up auth, api, etc.
 *
 * Note:
 *  This file will be copied to the build folder during build time.
 *  Running this file will not work without a build.
 */
import { serve } from '@hono/node-server';
import { serveStatic } from '@hono/node-server/serve-static';
import handle from 'hono-react-router-adapter/node';

import server from './hono/server/router.js';
import * as build from './index.js';

server.use(
  serveStatic({
    root: 'build/client',
    onFound: (path, c) => {
      if (path.startsWith('./build/client/assets')) {
        // Hard cache assets with hashed file names.
        c.header('Cache-Control', 'public, immutable, max-age=31536000');
      } else {
        // Cache with revalidation for rest of static files.
        c.header('Cache-Control', 'public, max-age=0, stale-while-revalidate=86400');
      }

      // Custom cache for static file pdf.worker.min.js
      if (path === './build/client/pdf.worker.min.js') {
        c.header('Cache-Control', 'public, max-age=3600, stale-while-revalidate=86400');
        c.header('ETag', 'pdf.worker.min.js');
      }
    },
  }),
);

const handler = handle(build, server);

serve({ fetch: handler.fetch, port: 3000 });