Update Dockerfile

Dockerfile

@@ -1,18 +1,25 @@
 FROM clickhouse/clickhouse-server:latest
 
-# Install system dependencies
-RUN apt-get update && apt-get install -y git python3 python3-pip sudo
-RUN pip3 install fastapi uvicorn pydantic requests --break-system-packages
+# 1. Install system dependencies including python3-venv
+RUN apt-get update && apt-get install -y git python3 python3-pip python3-venv sudo
 
-# Create the exact directory structure
+# 2. Create the exact directory structure requested
 RUN mkdir -p /app/ch/user_files /app/sql_repo
 
-# Open permissions for Hugging Face Spaces compatibility (UID 1000)
+# 3. Create a Python Virtual Environment
+# This safely isolates your Python packages from the system OS
+RUN python3 -m venv /app/venv
+
+# 4. Install packages INSIDE the virtual environment
+# We use the venv's pip, so we don't need any special system-breaking flags
+RUN /app/venv/bin/pip install --no-cache-dir fastapi uvicorn pydantic requests
+
+# 5. Open permissions for Hugging Face Spaces compatibility (UID 1000)
 RUN chmod -R 777 /app /var/lib/clickhouse /var/log/clickhouse-server /etc/clickhouse-server
 
 WORKDIR /app
 
-# Copy configuration and application files
+# 6. Copy configuration and application files
 COPY ch_override.xml /etc/clickhouse-server/config.d/ch_override.xml
 COPY config.json /app/config.json
 COPY app.py /app/app.py
@@ -20,4 +27,5 @@ COPY app.py /app/app.py
 # Hugging Face exposes port 7860
 EXPOSE 7860
 
-CMD ["python3", "app.py"]
+# 7. Run the Python gateway using the virtual environment's Python binary!
+CMD ["/app/venv/bin/python", "app.py"]