diff --git a/container_manager.py b/container_manager.py
index a47c057..2ddc581 100644
--- a/container_manager.py
+++ b/container_manager.py
@@ -248,17 +248,24 @@ class ContainerManager:
                 for host, config in volumes.items():
                     print(f"[SPAWNER]   {host} -> {config['bind']}")
 
+            # Environment-Variablen für Container
+            env_vars = {
+                'USER_ID': str(user_id),
+                'USER_SLUG': slug,
+                'CONTAINER_TYPE': container_type,
+                'JWT_SECRET': Config.SECRET_KEY  # Für Token-Validierung im Container
+            }
+
+            # vcoder braucht BASE_PATH für code-server Subpath-Routing
+            if container_type == 'vcoder':
+                env_vars['BASE_PATH'] = f'/{slug_with_suffix}'
+
             container = self._get_client().containers.run(
                 image=image,
                 name=container_name,
                 detach=True,
                 labels=labels,
-                environment={
-                    'USER_ID': str(user_id),
-                    'USER_SLUG': slug,
-                    'CONTAINER_TYPE': container_type,
-                    'JWT_SECRET': Config.SECRET_KEY  # Für Token-Validierung im Container
-                },
+                environment=env_vars,
                 restart_policy={'Name': 'unless-stopped'},
                 mem_limit=Config.DEFAULT_MEMORY_LIMIT,
                 cpu_quota=Config.DEFAULT_CPU_QUOTA,
diff --git a/user-template-vcoder/Dockerfile b/user-template-vcoder/Dockerfile
index bd9b433..9d99eb2 100644
--- a/user-template-vcoder/Dockerfile
+++ b/user-template-vcoder/Dockerfile
@@ -61,6 +61,13 @@ RUN apt-get update && apt-get install -y socat && rm -rf /var/lib/apt/lists/*
 # Entrypoint-Script - startet socat Tunnel + code-server
 RUN printf '#!/bin/bash\n\
 socat TCP-LISTEN:8008,reuseaddr,fork TCP:localhost:9009 &\n\
+# Wenn BASE_PATH nicht gesetzt, nutze "/"\n\
+BASE_PATH="${BASE_PATH:=/}"\n\
+# Ersetze in CMD das --bind-addr mit vollständigen Flags\n\
+if [ "$1" = "code-server" ]; then\n\
+  shift\n\
+  exec code-server "--bind-addr" "0.0.0.0:8080" "--base-path" "$BASE_PATH" "--auth" "none" "$@"\n\
+fi\n\
 exec "$@"\n' > /entrypoint.sh && chmod +x /entrypoint.sh
 
 USER coder