Update Dockerfile

Dockerfile

@@ -1,22 +1,27 @@
-# Kleines, schnelles Basis-Image
-FROM python:3.9-slim
-
-WORKDIR /app
-
-# Dependencies installieren
-COPY requirements.txt .
-RUN pip install --no-cache-dir -r requirements.txt
-
-# Code kopieren
-COPY main.py .
-
-# User anlegen (Hugging Face mag kein Root)
-RUN useradd -m -u 1000 user
-USER user
-ENV PATH="/home/user/.local/bin:$PATH"
-
-# Port 7860 für Hugging Face Spaces
-EXPOSE 7860
-
-# Server starten
+FROM python:3.9-slim
+
+# System-Umgebungsvariablen
+ENV PYTHONUNBUFFERED=1 \
+    PYTHONDONTWRITEBYTECODE=1 \
+    PATH="/home/user/.local/bin:$PATH"
+
+WORKDIR /app
+
+# User anlegen
+RUN useradd -m -u 1000 user
+
+# Requirements kopieren und installieren
+COPY --chown=user:user requirements.txt .
+RUN pip install --no-cache-dir --upgrade -r requirements.txt
+
+# Restlichen Code kopieren (besonders main.py)
+COPY --chown=user:user . .
+
+# Zum User wechseln
+USER user
+
+# Port für HF
+EXPOSE 7860
+
+# Start-Befehl
 CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]