diff --git a/server-api/app/support/MaterialLocalResourceService.php b/server-api/app/support/MaterialLocalResourceService.php
index e5986ee..75c764d 100644
--- a/server-api/app/support/MaterialLocalResourceService.php
+++ b/server-api/app/support/MaterialLocalResourceService.php
@@ -125,7 +125,10 @@ class MaterialLocalResourceService
         }
 
         if (!in_array(strtolower((string)($_ENV['APP_ENV'] ?? '')), ['production', 'prod'], true)) {
-            return 'http://' . '127.0.0.' . '1:8787';
+            $port = filter_var($_ENV['APP_PORT'] ?? '', FILTER_VALIDATE_INT, [
+                'options' => ['min_range' => 1, 'max_range' => 65535],
+            ]) ?: 8787;
+            return 'http://' . '127.0.0.' . '1:' . $port;
         }
 
         return '';
diff --git a/server-api/config/process.php b/server-api/config/process.php
index b12a8e2..16ca8d3 100644
--- a/server-api/config/process.php
+++ b/server-api/config/process.php
@@ -18,10 +18,34 @@ use app\process\Http;
 
 global $argv;
 
+$resolveServerPort = static function (): int {
+    $rawPort = $_ENV['APP_PORT'] ?? $_SERVER['APP_PORT'] ?? getenv('APP_PORT') ?: '';
+    if ($rawPort === '' && is_file(base_path('.env'))) {
+        foreach (file(base_path('.env'), FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES) ?: [] as $line) {
+            $line = trim($line);
+            if ($line === '' || str_starts_with($line, '#') || !str_contains($line, '=')) {
+                continue;
+            }
+
+            [$key, $value] = array_map('trim', explode('=', $line, 2));
+            if ($key === 'APP_PORT') {
+                $rawPort = trim($value, "\"'");
+                break;
+            }
+        }
+    }
+
+    $port = filter_var($rawPort, FILTER_VALIDATE_INT, [
+        'options' => ['min_range' => 1, 'max_range' => 65535],
+    ]);
+
+    return $port ?: 8787;
+};
+
 return [
     'webman' => [
         'handler' => Http::class,
-        'listen' => 'http://0.0.0.0:8787',
+        'listen' => 'http://0.0.0.0:' . $resolveServerPort(),
         'count' => cpu_count() * 4,
         'user' => '',
         'group' => '',