diff --git a/CrayFits/composer.json b/CrayFits/composer.json
index f1ad856f..552beda4 100644
--- a/CrayFits/composer.json
+++ b/CrayFits/composer.json
@@ -4,14 +4,14 @@
     "require": {
         "ext-ctype": "*",
         "ext-iconv": "*",
-        "guzzlehttp/guzzle": "^6.3",
-        "monolog/monolog": "^1.24",
-        "symfony/console": "^4.4",
-        "symfony/dotenv": "^4.4",
-        "symfony/flex": "^1.1",
-        "symfony/framework-bundle": "^4.4",
-        "symfony/monolog-bundle": "^3.3",
-        "symfony/yaml": "^4.4"
+        "islandora/crayfish-commons": "^4.0",
+        "symfony/dotenv": "5.4.*",
+        "symfony/flex": "^1.3.1",
+        "symfony/framework-bundle": "5.4.*",
+        "symfony/runtime": "5.4.*",
+        "symfony/string": "5.4.*",
+        "symfony/translation": "5.4.*",
+        "symfony/yaml": "5.4.*"
     },
     "config": {
         "preferred-install": {
@@ -19,7 +19,8 @@
         },
         "sort-packages": true,
         "allow-plugins": {
-            "symfony/flex": true
+            "symfony/flex": true,
+            "symfony/runtime": true
         }
     },
     "autoload": {
@@ -50,10 +51,7 @@
         ],
         "post-update-cmd": [
             "@auto-scripts"
-        ],
-        "test": [
-	    "@check"
-	]
+        ]
     },
     "conflict": {
         "symfony/symfony": "*"
@@ -61,7 +59,7 @@
     "extra": {
         "symfony": {
             "allow-contrib": false,
-            "require": "^4.4"
+            "require": "5.4.*"
         }
     }
-}
+}
\ No newline at end of file
diff --git a/CrayFits/public/index.php b/CrayFits/public/index.php
index e30f90c0..9f49805b 100644
--- a/CrayFits/public/index.php
+++ b/CrayFits/public/index.php
@@ -6,12 +6,6 @@
 
 require dirname(__DIR__).'/config/bootstrap.php';
 
-if ($_SERVER['APP_DEBUG']) {
-    umask(0000);
-
-    Debug::enable();
-}
-
 if ($trustedProxies = $_SERVER['TRUSTED_PROXIES'] ?? $_ENV['TRUSTED_PROXIES'] ?? false) {
     Request::setTrustedProxies(explode(',', $trustedProxies), Request::HEADER_X_FORWARDED_ALL ^ Request::HEADER_X_FORWARDED_HOST);
 }
diff --git a/CrayFits/src/Controller/FitsController.php b/CrayFits/src/Controller/FitsController.php
index f6d85416..503fd60a 100644
--- a/CrayFits/src/Controller/FitsController.php
+++ b/CrayFits/src/Controller/FitsController.php
@@ -2,15 +2,13 @@
 
 namespace App\Controller;
 
-use Islandora\Chullo\IFedoraApi;
+use GuzzleHttp\Psr7\StreamWrapper;
 use App\Service\FitsGenerator;
 use Symfony\Component\HttpFoundation\StreamedResponse;
 use Symfony\Component\HttpFoundation\Request;
 use GuzzleHttp\Client;
 use Psr\Log\LoggerInterface;
 use Symfony\Component\HttpFoundation\Response;
-use Monolog\Logger;
-use Monolog\Handler\StreamHandler;
 
 class FitsController {
 
@@ -19,7 +17,6 @@ class FitsController {
   /**
    * FitsController constructor.
    */
-
   public function __construct(FitsGenerator $fitsGenerator) {
     $options = ['base_uri' => $_ENV['FITS_WEBSERVICE_URI']];
     $this->client = new Client($options);
@@ -27,39 +24,36 @@ public function __construct(FitsGenerator $fitsGenerator) {
 
   /**
    * @param Request $request
-   * @param LoggerInterface $loggerger
    * @return StreamedResponse | Response;
    */
   public function generate_fits(Request $request) {
     set_time_limit(0);
-    $logger = new Logger('islandora_fits');
-    $logger->pushHandler(new StreamHandler('/var/log/islandora/fits.log', Logger::DEBUG));
     $token = $request->headers->get('Authorization');
     $file_uri = $request->headers->get('Apix-Ldp-Resource');
+
     // If no file has been passed it probably because someone is testing the url from their browser.
     if (!$file_uri) {
       return new Response("<h2>The Fits microservice is up and running.</h2>");
     }
-    $context = stream_context_create([
-      "http" => [
-        "header" => "Authorization:  $token",
-      ],
-    ]);
+
     try {
+      $fedora_resource = $request->attributes->get('fedora_resource');
+      $body = StreamWrapper::getResource($fedora_resource->getBody());
+
       $response = $this->client->post('examine', [
         'multipart' => [
           [
             'name' => 'datafile',
             'filename' => $file_uri,
-            'contents' => fopen($file_uri, 'r', FALSE, $context),
+            'contents' => $body,
           ],
         ],
       ]);
     }
     catch (\Exception $e) {
-      $logger->addError('ERROR', [$e->getMessage()]);
+      return new Response("Failed to receive FITS XML", Response::HTTP_INTERNAL_SERVER_ERROR);
     }
-    $logger->addInfo('Response Status', ["Status" => $response->getStatusCode(), "URI" => $file_uri]);
+
     $fits_xml = $response->getBody()->getContents();
     $encoding = mb_detect_encoding($fits_xml, 'UTF-8', TRUE);
     if ($encoding != 'UTF-8') {