fix: correct bugs due to updated dependencies

Dockerfile

-FROM k8r.eu/justjanne/php:latest
+FROM trafex/php-nginx:latest
+
+USER root
 
 RUN apk add --no-cache --update \
-    php-json \
-    php-pdo_sqlite \
-    php-pdo_pgsql
+    php82-json \
+    php82-pdo_sqlite \
+    php82-pdo_pgsql
 
 USER nobody
 
-ADD . /var/www/html/
\ No newline at end of file
+ADD . /var/www/html/

database/Config.php

@@ -20,7 +20,7 @@ class Config
         $this->database_connector = $database_connector;
         $this->username = $username;
         $this->password = $password;
-        $this->path_prefix = $path_prefix;
+        $this->path_prefix = rtrim($path_prefix, "/");
         $this->backend = $backend;
         $this->database_options = $options;
         $this->enable_ranking = $enable_ranking;

database/backends/PostgresSmartBackend.php

@@ -35,12 +35,19 @@ class PostgresSmartBackend implements Backend
 
     function rankingParameters(): array
     {
-        return [
-            ":config_normalization",
-            ":weight_content",
-            ":weight_type",
-            ":weight_time"
-        ];
+        if ($this->enable_ranking) {
+            return [
+                ":config_normalization",
+                ":weight_content",
+                ":weight_type",
+                ":weight_time"
+            ];
+        } else {
+            return [
+                ":weight_type",
+                ":weight_time"
+            ];
+        }
     }
 
     private function rankingFunction(): string