diff --git a/Containerfile b/Containerfile
index c13a963..050e198 100644
--- a/Containerfile
+++ b/Containerfile
@@ -2,6 +2,8 @@ FROM docker.io/library/python:3.11-slim
 
 EXPOSE 80
 
+ENV ADVLABDB_DATA_DIR=/volumes/data
+
 WORKDIR /volumes/repo
 
 COPY requirements.txt .
diff --git a/compose.yaml b/compose.yaml
index 9e20955..847f4e9 100644
--- a/compose.yaml
+++ b/compose.yaml
@@ -10,7 +10,6 @@ services:
       - ../data:/volumes/data:Z
       - ../logs:/volumes/logs:Z
     environment:
-      - ADVLABDB_DATA_DIR=/volumes/data
       - TZ=Europe/Berlin
     networks:
       - traefik