Build modified streamline images

The official image from streamline does not currently work for the arm64
platform. As a temporary measure, the source code and docker build scripts
have been lifted from the official images and are used to build locally.

Some additional modifications are made to reduce overall image size, these
are documented in docker/README.md

docker/streamline-src/vendor/laravel/ui/tests/AuthBackend/RegistersUsersTest.php

@@ -0,0 +1,105 @@
+<?php
+
+namespace Laravel\Ui\Tests\AuthBackend;
+
+use Illuminate\Foundation\Auth\RegistersUsers;
+use Illuminate\Foundation\Auth\User;
+use Illuminate\Http\Request;
+use Illuminate\Routing\Pipeline;
+use Illuminate\Support\Facades\Auth;
+use Illuminate\Support\Facades\Hash;
+use Illuminate\Support\Facades\Validator;
+use Illuminate\Testing\TestResponse;
+use Illuminate\Validation\ValidationException;
+use Orchestra\Testbench\Factories\UserFactory;
+use Orchestra\Testbench\TestCase;
+
+class RegistersUsersTest extends TestCase
+{
+    use RegistersUsers;
+
+    /**
+     * Define database migrations.
+     *
+     * @return void
+     */
+    protected function defineDatabaseMigrations()
+    {
+        $this->loadLaravelMigrations();
+    }
+
+    /** @test */
+    public function it_can_register_a_user()
+    {
+        $request = Request::create('/register', 'POST', [
+            'name' => 'Taylor Otwell',
+            'email' => 'taylor@laravel.com',
+            'password' => 'secret-password',
+            'password_confirmation' => 'secret-password',
+        ], [], [], [
+            'HTTP_ACCEPT' => 'application/json',
+        ]);
+
+        $response = $this->handleRequestUsing($request, function ($request) {
+            return $this->register($request);
+        })->assertCreated();
+
+        $this->assertDatabaseHas('users', [
+            'name' => 'Taylor Otwell',
+            'email' => 'taylor@laravel.com',
+        ]);
+    }
+
+    /**
+     * Get a validator for an incoming registration request.
+     *
+     * @param  array  $data
+     * @return \Illuminate\Contracts\Validation\Validator
+     */
+    protected function validator(array $data)
+    {
+        return Validator::make($data, [
+            'name' => ['required', 'string', 'max:255'],
+            'email' => ['required', 'string', 'email', 'max:255', 'unique:users'],
+            'password' => ['required', 'string', 'min:8', 'confirmed'],
+        ]);
+    }
+
+     /**
+     * Create a new user instance after a valid registration.
+     *
+     * @param  array  $data
+     * @return \App\Models\User
+     */
+    protected function create(array $data)
+    {
+        $user = (new User())->forceFill([
+            'name' => $data['name'],
+            'email' => $data['email'],
+            'password' => Hash::make($data['password']),
+        ]);
+
+        $user->save();
+
+        return $user;
+    }
+
+    /**
+     * Handle Request using the following pipeline.
+     *
+     * @param  \Illuminate\Http\Request  $request
+     * @param  callable  $callback
+     * @return \Illuminate\Testing\TestResponse
+     */
+    protected function handleRequestUsing(Request $request, callable $callback)
+    {
+        return new TestResponse(
+            (new Pipeline($this->app))
+                ->send($request)
+                ->through([
+                    \Illuminate\Session\Middleware\StartSession::class,
+                ])
+                ->then($callback)
+        );
+    }
+}