Update Dockerfile

Dockerfile

@@ -5,7 +5,8 @@ FROM ubuntu:22.04
 ENV PANEL_PORT=7860 \
     ADMIN_USERNAME=admin \
     ADMIN_PASSWORD=changeme \
-    PUFFER_DATA_DIR=/workspace/pufferpanel_data
+    PUFFER_DATA_DIR=/workspace/pufferpanel_data \
+    USER_ID=1000
 
 # Install dependencies and clean up
 RUN apt-get update && \
@@ -43,6 +44,15 @@ RUN echo '{ \
     } \
 }' > /etc/pufferpanel/config.json
 
+# Create non-root user
+RUN adduser --disabled-password --gecos "" --uid ${USER_ID} pufferuser
+
+# Set ownership for required directories
+RUN chown -R pufferuser:pufferuser ${PUFFER_DATA_DIR} && \
+    chown -R pufferuser:pufferuser /etc/pufferpanel && \
+    chown -R pufferuser:pufferuser /var/lib/pufferpanel && \
+    chown -R pufferuser:pufferuser /var/log/pufferpanel
+
 # Expose the panel port
 EXPOSE ${PANEL_PORT}
 
@@ -50,4 +60,7 @@ EXPOSE ${PANEL_PORT}
 COPY start.sh /start.sh
 RUN chmod +x /start.sh
 
+# Run as non-root user
+USER pufferuser
+
 CMD ["/start.sh"]