diff --git a/Dockerfile b/Dockerfile
index c97c1b5..466d578 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,6 +5,7 @@ FROM bitnami/moodle:${MOODLE_VERSION}
 
 RUN apt update && apt install curl unzip nano -y
 COPY opt/adler /opt/adler
+COPY plugin-releases.json /opt/adler/moodle/adler_setup
 # ARG are wiped after FROM, see https://docs.docker.com/engine/reference/builder/#understand-how-arg-and-from-interact
 ARG PLUGIN_VERSION
 ENV PLUGIN_VERSION=${PLUGIN_VERSION}
diff --git a/opt/adler/moodle/adler_setup/setup.php b/opt/adler/moodle/adler_setup/setup.php
index 9e58a2a..93cf2f2 100644
--- a/opt/adler/moodle/adler_setup/setup.php
+++ b/opt/adler/moodle/adler_setup/setup.php
@@ -114,47 +114,53 @@
     }
 }
 
+function get_plugin_config() {
+    $url = __DIR__ . '/plugin-releases.json';
+//    $url = 'https://raw.githubusercontent.com/Glutamat42/moodle-docker/main/plugin-releases.json';
+    $file_content = file_get_contents($url);
+    return json_decode($file_content, true);
+}
+
+
 if ($options['develop_dont_install_plugins']) {
     cli_writeln("skipping plugin installation");
 } else {
     cli_writeln("installing plugins");
-// install plugins
-    if ($options['plugin_version'] == 'main') {
-        $plugins = [
-            [
-                "path" => $CFG->dirroot . "/local/adler",
-                "url" => "https://github.com/ProjektAdLer/MoodlePluginLocal/archive/refs/heads/main.zip"
-            ],
-            [
-                "path" => $CFG->dirroot . "/availability/condition/adler",
-                "url" => "https://github.com/ProjektAdLer/MoodlePluginAvailability/archive/refs/heads/main.zip"
-            ],
-        ];
-    } else {
-        $plugins = [];
-        $info = get_updated_release_info(
-            "ProjektAdLer/MoodlePluginLocal",
-            $options['plugin_version'],
-            core_plugin_manager::instance()->get_plugin_info('local_adler')->release
-        );
-        if ($info) {
-            $plugins[] = [
-                "path" => $CFG->dirroot . "/local/adler",
-                "url" => $info->zip_url
-            ];
-        }
-        $info = get_updated_release_info(
-            "ProjektAdler/MoodlePluginAvailability",
-            $options['plugin_version'],
-            core_plugin_manager::instance()->get_plugin_info('local_adler')->release
-        );
-        if ($info) {
+
+    $plugin_release_info = get_plugin_config();
+
+    $plugins = [];
+    if (isset($plugin_release_info['common_versions'][$options['plugin_version']])) {
+        foreach ($plugin_release_info['common_versions'][$options['plugin_version']] as $plugin) {
+            $path = $CFG->dirroot . $plugin['path'];
+
+            if (preg_match('/^[0-9]+(\.[0-9]+){0,2}(-rc(\.[0-9]+)?)?$/', $plugin['version'])) {
+                // plugin is a release
+                $info = get_updated_release_info(
+                    $plugin['git_project'],
+                    $plugin['version'],
+                    core_plugin_manager::instance()->get_plugin_info($plugin['name'])->release
+                );
+                if ($info) {
+                    $url = $info->zip_url;
+                } else {
+                    cli_error("Failed to get release info");
+                }
+            } else {
+                // plugin is a branch
+                $url = "https://github.com/" . $plugin['url'] . "/archive/refs/heads/" . $plugin['version'] . ".zip";
+            }
+
+            /** @noinspection PhpUndefinedVariableInspection */
             $plugins[] = [
-                "path" => $CFG->dirroot . "/availability/condition/adler",
-                "url" => $info->zip_url
+                "path" => $path,
+                "url" => $url
             ];
         }
+    } else {
+        cli_error("plugin version not found");
     }
+
     cli_writeln("plugins to install: " . json_encode($plugins));
     foreach ($plugins as $plugin) {
         update_plugin($plugin);
diff --git a/plugin-releases.json b/plugin-releases.json
new file mode 100644
index 0000000..a8448ef
--- /dev/null
+++ b/plugin-releases.json
@@ -0,0 +1,58 @@
+{
+  "common_versions": {
+    "1.0.0": [
+      {
+        "git_project": "ProjektAdLer/MoodlePluginLocal",
+        "version": "1.0.0",
+        "path": "/local/adler",
+        "name": "local_adler"
+      },
+      {
+        "git_project": "ProjektAdler/MoodlePluginAvailability",
+        "version": "1.0.0",
+        "path": "/availability/condition/adler",
+        "name": "availability_adler"
+      }
+    ],
+    "main": [
+      {
+        "git_project": "ProjektAdLer/MoodlePluginLocal",
+        "version": "1.0.0",
+        "path": "/local/adler",
+        "name": "local_adler"
+      },
+      {
+        "git_project": "ProjektAdler/MoodlePluginAvailability",
+        "version": "1.0.0",
+        "path": "/availability/condition/adler",
+        "name": "availability_adler"
+      },
+      {
+        "git_project": "ProjektAdLer/MoodlePluginModAdleradaptivity",
+        "version": "1.0.0",
+        "path": "/mod/adleradaptivity",
+        "name": "mod_adleradaptivity"
+      }
+    ],
+    "2.0.0-rc": [
+      {
+        "git_project": "ProjektAdLer/MoodlePluginLocal",
+        "version": "2.0.0-rc.1",
+        "path": "/local/adler",
+        "name": "local_adler"
+      },
+      {
+        "git_project": "ProjektAdler/MoodlePluginAvailability",
+        "version": "1.0.0",
+        "path": "/availability/condition/adler",
+        "name": "availability_adler"
+      },
+      {
+        "git_project": "ProjektAdLer/MoodlePluginModAdleradaptivity",
+        "version": "2.0.0-rc.2",
+        "path": "/mod/adleradaptivity",
+        "name": "mod_adleradaptivity"
+      }
+    ]
+  }
+}
diff --git a/tests/docker-compose.yml b/tests/docker-compose.yml
index d086729..31c0398 100644
--- a/tests/docker-compose.yml
+++ b/tests/docker-compose.yml
@@ -4,7 +4,7 @@ services:
     build:
       context: ..
       args:
-        PLUGIN_VERSION: 1.0.0
+        PLUGIN_VERSION: 2.0.0-rc
         MOODLE_VERSION: 4.2
     ports:
       - '8000:8080'
diff --git a/tests/test.sh b/tests/test.sh
index 1be42c2..ce17f4c 100755
--- a/tests/test.sh
+++ b/tests/test.sh
@@ -31,7 +31,7 @@ while [ $COUNT -lt $COUNT_MAX ]; do
     then
       break
   fi
-  echo "moodle still starting... This will typically take between 1 and 3 minutes"
+  echo "Moodle still starting... This will typically take between 1 and 3 minutes. $((COUNT * 5)) seconds passed"
   sleep 5
   COUNT=$((COUNT + 1))
 done