Fix container startup: plain HTTP behind reverse proxy

- Caddyfile: disable auto_https and admin, listen on :80 only
- docker-compose: bind port only on 127.0.0.1 to avoid public exposure
- bootstrap/app.php: trust all proxies so Laravel generates correct URLs

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

bootstrap/app.php

@@ -12,7 +12,7 @@ return Application::configure(basePath: dirname(__DIR__))
         health: '/up',
     )
     ->withMiddleware(function (Middleware $middleware) {
-        //
+        $middleware->trustProxies(at: '*');
     })
     ->withExceptions(function (Exceptions $exceptions) {
         //