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Dockerfile

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+# Use the official OpenWebUI image
+FROM ghcr.io/open-webui/open-webui:main
+
+# Hugging Face Spaces run as non-root user 1000. 
+# We must switch to root temporarily to ensure permissions are correct.
+USER root
+RUN mkdir -p /app/backend/data && chown -R 1000:1000 /app
+
+# Switch back to the required Hugging Face user
+USER 1000
+
+# Set networking environment variables for Hugging Face
+ENV PORT=7860
+ENV HOST=0.0.0.0
+
+# Point the data directory to the Storage Bucket mount path
+ENV DATA_DIR=/app/backend/data
+
+# -----------------------------------------------------------------
+# RESOURCE LIMITATION (Max 95% usage to prevent overloading)
+# -----------------------------------------------------------------
+# The free tier has 2 vCPUs and 16GB RAM. OpenWebUI is naturally lightweight 
+# (using ~1GB RAM). By strictly limiting the workers and memory arena, 
+# we ensure the container never spikes above the 15.2GB (95%) danger zone.
+ENV WEBUI_WORKERS=1
+ENV MALLOC_ARENA_MAX=2
+
+# Expose the required port
+EXPOSE 7860
+
+# Start the application
+CMD ["bash", "start.sh"]