Don't add whole app to docker image

Dockerfile

@@ -1,8 +1,3 @@
 FROM php:8-fpm-alpine
 
-COPY . /app
-WORKDIR /app
-
 RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer
-
-RUN composer install

app/Http/Middleware/TrustProxies.php

@@ -5,24 +5,19 @@ namespace App\Http\Middleware;
 use Fideloper\Proxy\TrustProxies as Middleware;
 use Illuminate\Http\Request;
 
-class TrustProxies extends Middleware {
+class TrustProxies extends Middleware
+{
     /**
      * The trusted proxies for this application.
      *
-     * @var array
+     * @var array|string|null
      */
     protected $proxies;
 
     /**
-     * The current proxy header mappings.
+     * The headers that should be used to detect proxies.
      *
-     * @var array
+     * @var int
      */
-    protected $headers = [
-        Request::HEADER_FORWARDED => 'FORWARDED',
-        Request::HEADER_X_FORWARDED_FOR => 'X_FORWARDED_FOR',
-        Request::HEADER_X_FORWARDED_HOST => 'X_FORWARDED_HOST',
-        Request::HEADER_X_FORWARDED_PORT => 'X_FORWARDED_PORT',
-        Request::HEADER_X_FORWARDED_PROTO => 'X_FORWARDED_PROTO',
-    ];
-}
+    protected $headers = Request::HEADER_X_FORWARDED_ALL;
+}

public/js/app.js

@@ -5,7 +5,6 @@ $(document).ready(function(e) {
         ajax: {
             url: '/authors/search',
             dataType: 'json'
-            // Additional AJAX parameters go here; see the end of this chapter for the full code of this example
         }
     };
 

resources/views/layouts/main.blade.php

@@ -27,7 +27,10 @@
     <div class="collapse navbar-collapse" id="navbarsExampleDefault">
         <ul class="navbar-nav mr-auto">
             <li class="nav-item active">
-                <a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
+                <a class="nav-link" href="/">Home <span class="sr-only">(current)</span></a>
+            </li>
+            <li class="nav-item">
+                <a class="nav-link" href="/add">Add</a>
             </li>
         </ul>
         <form class="form-inline my-2 my-lg-0">