diff --git a/Dockerfile b/Dockerfile
index 61407d3..6a1deb1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -25,8 +25,7 @@ FROM python:3.12-slim
 ENV PYTHONUNBUFFERED=1 \
     PYTHONDONTWRITEBYTECODE=1 \
     PATH="/opt/venv/bin:$PATH" \
-    DATA_DIR=/data \
-    PORT=8080
+    DATA_DIR=/data
 
 # libglib2.0-0 wird von opencv-python-headless gebraucht.
 RUN apt-get update \