diff --git a/homepage/cwsvJudo/configs/heliohost/config.json b/homepage/cwsvJudo/configs/heliohost/config.json
index 1ed5bc7..c9cbb9b 100644
--- a/homepage/cwsvJudo/configs/heliohost/config.json
+++ b/homepage/cwsvJudo/configs/heliohost/config.json
@@ -1,7 +1,7 @@
 {
     "cwsvJudo": {
         "db": {
-            "host": "localhost",
+            "host": "db",
             "name": "cwsvjudo_main",
             "user": "cwsvjudo_marko"
         }
diff --git a/homepage/cwsvJudo/configs/heliohost/pages.config.inc.php b/homepage/cwsvJudo/configs/heliohost/pages.config.inc.php
index 3b30301..dc86c31 100644
--- a/homepage/cwsvJudo/configs/heliohost/pages.config.inc.php
+++ b/homepage/cwsvJudo/configs/heliohost/pages.config.inc.php
@@ -8,7 +8,7 @@
     $home = "/home/cwsvjudo.helioho.st";
 /// Basis(/Root)-Verzeichnis auf dem Server (für Dateizugriffe, insbesondere phpIncludes)
 /// (ist eigentlich das serve verzeichnis, aka www-data)
-	$basePath = join("/", [$home, "httpdocs"]);
+	$basePath = join(separator: "/", array: [$home, "httpdocs"]);
 
 /// Url zum Zugriff auf "shared Data" unter der Hauptadresse
 	$baseUrl = "http://".$baseDomain;
diff --git a/homepage/cwsvJudo/docker-compose.yaml b/homepage/cwsvJudo/docker-compose.yaml
index fcf9da8..f44b248 100644
--- a/homepage/cwsvJudo/docker-compose.yaml
+++ b/homepage/cwsvJudo/docker-compose.yaml
@@ -21,10 +21,11 @@ services:
     image: mariadb:latest
     restart: always
     environment:
-      MYSQL_USER: "cwsvjudo"
-      MYSQL_DATABASE: "cwsvjudo"
+      MYSQL_USER: "cwsvjudo_marko"
+      MYSQL_DATABASE: "cwsvjudo_main"
       MYSQL_ROOT_PASSWORD_FILE: /run/secrets/db_root_password
       MYSQL_PASSWORD_FILE: /run/secrets/db_password
+      MYSQL_TCP_PORT: 3306
     volumes:
       # this line maps the content of ./mysql_data in your pc to the /var/lib/mysql of the container
       - mysqldata:/var/lib/mysql
@@ -44,7 +45,7 @@ services:
     environment:
       # name of the host is the name of the db service started above! Why? I don't know!
       - PMA_HOST=db
-      - PMA_PORT=1433
+      - PMA_PORT=3306
 volumes:
   # data storage for the db
   mysqldata: {}
diff --git a/homepage/cwsvJudo/phpLib/cwsvJudo/newsTableHtml.php b/homepage/cwsvJudo/phpLib/cwsvJudo/newsTableHtml.php
index 9798602..48d1ddb 100644
--- a/homepage/cwsvJudo/phpLib/cwsvJudo/newsTableHtml.php
+++ b/homepage/cwsvJudo/phpLib/cwsvJudo/newsTableHtml.php
@@ -15,8 +15,7 @@ $headerRootLevel = is_positive_integer($someOptions['headerRootLevel'])?$someOpt
 /// Eine Datenbankverbindung (über pdo) erstellen
 	try{
 		$db_connection = new PDO(
-			"mysql:host=".$cwsvJudoConfig["db"]["host"].";".
-			"dbname=".$cwsvJudoConfig["db"]["name"],
+			"mysql:host=".$cwsvJudoConfig["db"]["host"].";"."dbname=".$cwsvJudoConfig["db"]["name"],
 			$cwsvJudoConfig["db"]["user"],
 			$cwsvJudoConfig["db"]["password"]
 		);
diff --git a/homepage/cwsvJudo/src/css/materialize/fonts.css b/homepage/cwsvJudo/src/css/materialize/fonts.css
index f7c9973..f83fbf6 100644
--- a/homepage/cwsvJudo/src/css/materialize/fonts.css
+++ b/homepage/cwsvJudo/src/css/materialize/fonts.css
@@ -15,7 +15,7 @@
   font-family: 'Material Icons';
   font-weight: normal;
   font-style: normal;
-  font-size: 24px;
+  font-size: 1em;
   line-height: 1;
   letter-spacing: normal;
   text-transform: none;
diff --git a/homepage/cwsvJudo/src/css/materialize/parallax.css b/homepage/cwsvJudo/src/css/materialize/parallax.css
index 7eea56f..1c8afa9 100644
--- a/homepage/cwsvJudo/src/css/materialize/parallax.css
+++ b/homepage/cwsvJudo/src/css/materialize/parallax.css
@@ -1,5 +1,5 @@
 .parallax-container {
-    height: 50vw;
+    height: 38vh;
 }
 
 .parallax-container > .parallax > img{
diff --git a/homepage/cwsvJudo/src/md/index.md b/homepage/cwsvJudo/src/md/index.md
index c34f926..dbde892 100644
--- a/homepage/cwsvJudo/src/md/index.md
+++ b/homepage/cwsvJudo/src/md/index.md
@@ -4,11 +4,11 @@ title: "Judo im Chemnitzer WSV - Kinder- und Erwachsenentraining"
 description: "Informationen zu Trainingszeiten, Wettkämpfen und anderen Veranstaltungen der Abteilung Judo des Chemnitzer Freizeit- und Wohngebiets­sportvereines e. V."
 author: "marko"
 keywords:
-	- "Judo"
-	- "Chemnitzer Freizeit- und Wohngebietssportverein"
+    - "Judo"
+    - "Chemnitzer Freizeit- und Wohngebietssportverein"
 canonicalPath: ""
 jsonSdFiles:
-	- cwsvJudo.json
+    - cwsvJudo.json
 ...
 
 # Judo im Chemnitzer WSV
@@ -20,8 +20,8 @@ und [Wettkampfterminen][cwsvJudoWettkampfKalender].
 Ein kleines Wiki bietet [Wissenswertes über Judo][cwsvJudoWiki], wie
 zum Beispiel das [Programm für die Gürtelprüfungen][cwsvJudoWikiKyu].
 
-
 ## Letzte Neuigkeiten
+
 <?php $options=array(); $options['limit']=6; $options['headerRootLevel']=2; echoNewsTableHtml( $options ); ?>
 
 [cwsvHomepage]: http://www.cwsv-sport.de "Homepage des Chemnitzer Freizeit- und Wohngebietssportvereines"
diff --git a/homepage/cwsvJudo/src/pages/test/config.php b/homepage/cwsvJudo/src/pages/test/config.php
index e806b98..4856c93 100644
--- a/homepage/cwsvJudo/src/pages/test/config.php
+++ b/homepage/cwsvJudo/src/pages/test/config.php
@@ -1,2 +1,6 @@
 <?
-$home = "/home/cwsvjudo.helioho.st";
+/**
+ * home directory on the server
+ * - meaning the users home directory (aka ~) in the environment, not the directory served via http
+ */
+ $home = "/home/cwsvjudo.helioho.st";
diff --git a/homepage/cwsvJudo/src/pages/test/index.php b/homepage/cwsvJudo/src/pages/test/index.php
index 5ff1a78..996077f 100644
--- a/homepage/cwsvJudo/src/pages/test/index.php
+++ b/homepage/cwsvJudo/src/pages/test/index.php
@@ -1,5 +1,10 @@
 <!DOCTYPE html>
 <?php
+
+$directory_paths=[
+    "wallpapers" => "/ressourcen/graphiken/wallpapers",
+];
+
 $mainNav = [
     [
         "url" => "training",
@@ -16,26 +21,72 @@ $sections = [
 
 $wallpapers = [
     [
-        "src" => "/ressourcen/graphiken/wallpapers/osae-komi.svg",
-        "data-src" => "/ressourcen/graphiken/wallpapers/osae-komi.jpg"
+        "src" => $directory_paths['wallpapers']. "/osae-komi.svg",
+        "data-src" =>  $directory_paths['wallpapers']. "/osae-komi.jpg"
     ],
     [
-        "src" => "/ressourcen/graphiken/wallpapers/nage.svg",
-        "data-src" => "/ressourcen/graphiken/wallpapers/nage.jpg"
+        "src" =>  $directory_paths['wallpapers']. "/nage.svg",
+        "data-src" =>  $directory_paths['wallpapers']. "/nage.jpg"
     ],
     [
-        "src" => "/ressourcen/graphiken/wallpapers/kata.svg",
-        "data-src" => "/ressourcen/graphiken/wallpapers/kata.jpg"
+        "src" =>  $directory_paths['wallpapers']. "/kata.svg",
+        "data-src" =>  $directory_paths['wallpapers']. "/kata.jpg"
     ],
 ];
 
+
+// helper functions
+// -html output
+
+/**
+ * Inject the html code for the nav targets
+ * @param mixed $mainNav
+ * @return void
+ */
+function mainNavTargets($mainNav){
+    echo('<ul id="nav-mobile" class="right">');
+    foreach($mainNav as $nav){
+        echo('<li>');
+        echo('<a');
+        echo(' href="' . $nav['url']. '"');
+        echo(' title="' . $nav['caption']. '"');
+        echo('>');
+        echo('<span>'.$nav['caption'].'</span>');
+        echo('</a>');
+        echo('</li>');
+    }
+    echo('</ul>');
+}
+
+function main($sections, $wallpapers){
+    foreach($sections as $idx => $section){
+        echo(
+            '<div class="parallax-container">'
+                .'<div class="parallax">'
+                    .'<img'
+                    . ' class="lazyload" '
+                    . ' src="'.$wallpapers[$idx]['src'].'" '                            
+                    . ' data-src="'.$wallpapers[$idx]['data-src'].'" '
+                    .'>'
+                .'</div>'
+            .'</div>'
+        );
+        echo(
+            '<div class="section">'.$section.'</div>'
+        );
+    }
+}
+
 ?>
 <html>
 
 <head>
-    <link type="text/css" rel="stylesheet" href="/ressourcen/css/cwsvJudo.css">
-    <!--Import materialize.css-->
+    <!--Imports-->
+    <!-- - materialize Framework -->
     <link type="text/css" rel="stylesheet" href="/ressourcen/css/materialize.min.css" media="screen,projection" />
+    <!-- - cwsvJudo adjustments -->
+    <link type="text/css" rel="stylesheet" href="/ressourcen/css/cwsvJudo.css">
+
     <!--Let browser know website is optimized for mobile-->
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
 </head>
@@ -50,20 +101,7 @@ $wallpapers = [
                 <a href="/" class="brand-logo">
                     <span>cwsvJudo</span>
                 </a>
-<?php // main nav targets
-    echo('<ul id="nav-mobile" class="right">');
-    foreach($mainNav as $nav){
-        echo('<li>');
-        echo('<a');
-        echo(' href="' . $nav['url']);
-        echo(' title="' . $nav['caption']);
-        echo('>');
-        echo('<span>'.$nav['caption'].'</span>');
-        echo('</a>');
-        echo('</li>');
-    }
-    echo('</ul>');
-?>
+            <?php mainNavTargets($mainNav);?>
             </div>
             <!-- <div class="nav-content">
                 $if(subNav)$
@@ -92,43 +130,24 @@ $wallpapers = [
     </header>
 
     <main>
-        <script>
-            function postload(t){
-                if(t.src !== t.getAttribute('data-src')){
-                    t.src = t.getAttribute('data-src');
-                }
-            }
-        </script>
-<?php
-        foreach($sections as $idx => $section){
-            echo(
-                '<div class="parallax-container">'
-                    .'<div class="parallax">'
-                        .'<img'
-                        . ' class="lazyload" '
-                        . ' src="'.$wallpapers[$idx]['src'].'" '                            
-                        . ' data-src="'.$wallpapers[$idx]['data-src'].'" '
-                        .'>'
-                    .'</div>'
-                .'</div>'
-            );
-            echo(
-                '<div class="section">'.$section.'</div>'
-            );
-        }
-?>
+        <?php main($sections, $wallpapers);?>
     </main>
 
     <!--JavaScript at end of body for optimized loading-->
+    <!-- Import external libraries -->
+    <!-- - materialize framework -->
     <script type="text/javascript" src="/ressourcen/js/materialize.min.js"></script>
+    <!-- - lazysizes -->
     <script type="text/javascript" src="/ressourcen/js/lazysizes.min.js"></script>
+    <!-- Configure external libraries -->
+    <!-- - materialize framework -->
     <script>
         document.addEventListener('DOMContentLoaded', function () {
             const elems = document.querySelectorAll('.parallax');
             const instances = M.Parallax.init(elems, {
                 // specify options here
             });
-        });
+        })
     </script>
 </body>
 
diff --git a/homepage/cwsvJudo/src/pages/test/news.php b/homepage/cwsvJudo/src/pages/test/news.php
index 5e9c90c..cfb4e76 100644
--- a/homepage/cwsvJudo/src/pages/test/news.php
+++ b/homepage/cwsvJudo/src/pages/test/news.php
@@ -2,25 +2,28 @@
 require_once("config.php");
 
 $config = json_decode(
-    file_get_contents($home."/.local/config.json"),
-    true
+    json: file_get_contents(filename: $home."/.local/config.json"),
+    associative: true
 );
 
 $secrets = json_decode(
-    file_get_contents($home."/.local/secrets.json"),
-    true
+    json: file_get_contents(filename: $home."/.local/secrets.json"),
+    associative: true
 );
 
-var_dump($config);
 
 try {
   $conn = new PDO(
-    "mysql:host=".$config['cwsvJudo']['db']['host'].";dbname=".$config['cwsvJudo']['db']['name'],
-    $config['cwsvJudo']['db']['user'],
-    $secrets['cwsvJudo']['db'][$config['cwsvJudo']['db']['user']]
+    dsn: join(separator: ";",array: [
+      "mysql:host=".$config['cwsvJudo']['db']['host'],
+      "port=3306",
+      "dbname=".$config['cwsvJudo']['db']['name']
+    ]),
+    username: $config['cwsvJudo']['db']['user'],
+    password: $secrets['cwsvJudo']['db'][$config['cwsvJudo']['db']['user']]
   );
   // set the PDO error mode to exception
-  $conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
+  $conn->setAttribute(attribute: PDO::ATTR_ERRMODE, value: PDO::ERRMODE_EXCEPTION);
   echo "Connected successfully";
 } catch(PDOException $e) {
   echo "Connection failed: " . $e->getMessage();