Hot-reloading PHP with `bun.js` and `Caddy`

Caddyfile

localhost
root * public
encode gzip
php_fastcgi 127.0.0.1:9000
file_server {
	index index.php index.html
}
@static {
	file
	path *.ico *.css *.js *.gif *.webp *.jpg *.jpeg *.png *.svg *.woff *.woff2
}
header @static Cache-Control max-age=0

index.ts

import { watch } from "fs";
import { exec } from "child_process";

exec( "bun run browser" );

const watcher = watch(
  "./public",
  { recursive: true },
  ( event, filename ) => {
    console.log( `bun: Detected ${event} in ${filename}` );
    exec( "bun run browser" );
  }
);

package.json

{
  "scripts": {
    "dev": "bun run server & bun run index.ts",
    "server": "caddy run",
    "browser": "open -a Safari https://localhost -g"
  },
  "devDependencies": {
    "@types/node": "^20.6.1"
  }
}