add ability to change servers docker image

database/migrations/2016_09_17_194246_add_docker_image_column.php

@@ -0,0 +1,45 @@
+<?php
+
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+use Pterodactyl\Models\Server;
+
+class AddDockerImageColumn extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('servers', function (Blueprint $table) {
+            $table->string('image')->after('daemonSecret');
+        });
+
+        // Populate the column
+        $servers = Server::select(
+            'servers.id',
+            'service_options.docker_image as s_optionImage'
+        )->join('service_options', 'service_options.id', '=', 'servers.option')->get();
+
+        foreach ($servers as $server) {
+            $server->image = $server->s_optionImage;
+            $server->save();
+        }
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('servers', function (Blueprint $table) {
+            $table->dropColumn('image');
+        });
+    }
+}