Build express.js app with all dependencies (wasm and native binary excluded) into single file

esbuild.mjs

import path from 'path'
import { fileURLToPath } from 'url';
import * as esbuild from "esbuild";

const __dirname = path.dirname(fileURLToPath(import.meta.url));

try {
  await esbuild.build({
    entryPoints: [path.resolve(__dirname, './server.mjs')],
    bundle: true,
    sourcemap: false,
    minify: false,
    platform: "node",
    target: ["node18.6"],
    packages: "bundle",
    define: {
      "process.env.NODE_ENV": "'production'",
    },
    outfile: path.resolve(__dirname, '../dist/server.cjs')
  });

  console.log("Server bundled successfully for production! 🚀");
} catch (e) {
  console.error("An error occurred during bundling:", e);
  process.exit(1);
}

package.json

{
  "name": "express-app",
  "version": "1.0.0",
  "type": "module",
  "scripts": {
    "build:server": "node esbuild.mjs",
  },
  "dependencies": {
    "express": "^4.19.2"
  },
  "devDependencies": {
    "esbuild": "^0.28.0"
  }
}