fix: docker image parser

app/Services/DockerImageParser.php

@@ -0,0 +1,74 @@
+<?php
+
+namespace App\Services;
+
+class DockerImageParser
+{
+    private string $registryUrl = '';
+
+    private string $imageName = '';
+
+    private string $tag = 'latest';
+
+    public function parse(string $imageString): self
+    {
+        // First split by : to handle the tag, but be careful with registry ports
+        $lastColon = strrpos($imageString, ':');
+        $hasSlash = str_contains($imageString, '/');
+
+        // If the last colon appears after the last slash, it's a tag
+        // Otherwise it might be a port in the registry URL
+        if ($lastColon !== false && (! $hasSlash || $lastColon > strrpos($imageString, '/'))) {
+            $mainPart = substr($imageString, 0, $lastColon);
+            $this->tag = substr($imageString, $lastColon + 1);
+        } else {
+            $mainPart = $imageString;
+            $this->tag = 'latest';
+        }
+
+        // Split the main part by / to handle registry and image name
+        $pathParts = explode('/', $mainPart);
+
+        // If we have more than one part and the first part contains a dot or colon
+        // it's likely a registry URL
+        if (count($pathParts) > 1 && (str_contains($pathParts[0], '.') || str_contains($pathParts[0], ':'))) {
+            $this->registryUrl = array_shift($pathParts);
+            $this->imageName = implode('/', $pathParts);
+        } else {
+            $this->imageName = $mainPart;
+        }
+
+        return $this;
+    }
+
+    public function getFullImageNameWithoutTag(): string
+    {
+        return $this->registryUrl.'/'.$this->imageName;
+    }
+
+    public function getRegistryUrl(): string
+    {
+        return $this->registryUrl;
+    }
+
+    public function getImageName(): string
+    {
+        return $this->imageName;
+    }
+
+    public function getTag(): string
+    {
+        return $this->tag;
+    }
+
+    public function toString(): string
+    {
+        $parts = [];
+        if ($this->registryUrl) {
+            $parts[] = $this->registryUrl;
+        }
+        $parts[] = $this->imageName;
+
+        return implode('/', $parts).':'.$this->tag;
+    }
+}