Update Dockerfile

Dockerfile

@@ -1,12 +1,21 @@
 FROM python:3.10-slim
 
-WORKDIR /app
+# Create non-root user
+RUN useradd -m -u 1000 user
 
-COPY requirements.txt .
+# Switch to that user (applies to all following steps)
+USER user
+ENV HOME=/home/user \
+    PATH=/home/user/.local/bin:$PATH
 
+WORKDIR /home/user/app
+
+# Install dependencies as user
+COPY --chown=user:root requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
 
-COPY app.py .
+# Copy app files
+COPY --chown=user:root app.py .
 
 EXPOSE 7860