fix(applications): allow repeated hyphens in image names

app/Support/ValidationPatterns.php

@@ -109,7 +109,7 @@ class ValidationPatterns
      * path components. A trailing @sha256 marker is accepted for existing
      * digest-based dockerimage records that store the digest hash separately.
      */
-    public const DOCKER_IMAGE_NAME_PATTERN = '/\A(?=.{1,255}\z)(?:(?:[a-z0-9](?:[a-z0-9.-]*[a-z0-9])?(?::[0-9]+)?\/)?[a-z0-9]+(?:(?:[._-]|__)[a-z0-9]+)*(?:\/[a-z0-9]+(?:(?:[._-]|__)[a-z0-9]+)*)*)(?:@sha256)?\z/';
+    public const DOCKER_IMAGE_NAME_PATTERN = '/\A(?=.{1,255}\z)(?:(?:[a-z0-9](?:[a-z0-9.-]*[a-z0-9])?(?::[0-9]+)?\/)?[a-z0-9]+(?:(?:[._]|__|-+)[a-z0-9]+)*(?:\/[a-z0-9]+(?:(?:[._]|__|-+)[a-z0-9]+)*)*)(?:@sha256)?\z/';
 
     /**
      * Pattern for Docker image tags.

tests/Unit/DockerImageReferenceValidationTest.php

@@ -13,6 +13,7 @@ it('accepts valid docker registry image names', function (string $imageName) {
     'single component' => 'nginx',
     'namespace image' => 'library/nginx',
     'ghcr image' => 'ghcr.io/coollabsio/coolify',
+    'repository component with repeated hyphens' => 'ghcr.io/acme/my--service',
     'registry with port' => 'registry.example.com:5000/team/app',
     'digest marker used by existing dockerimage records' => 'nginx@sha256',
 ]);