deocker fix

Dockerfile

@@ -10,21 +10,23 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
   && mkdir -p /etc/apt/keyrings \
   && curl -fsSL https://packages.microsoft.com/keys/microsoft.asc \
      | gpg --dearmor -o /etc/apt/keyrings/microsoft.gpg \
-  && echo "deb [arch=amd64 signed-by=/etc/apt/keyrings/microsoft.gpg] https://packages.microsoft.com/debian/12/prod stable main" \
+  && echo "deb [arch=amd64 signed-by=/etc/apt/keyrings/microsoft.gpg] https://packages.microsoft.com/debian/11/prod stable main" \
      > /etc/apt/sources.list.d/microsoft-prod.list \
   && apt-get update && ACCEPT_EULA=Y apt-get install -y --no-install-recommends msodbcsql17 \
   && apt-get clean && rm -rf /var/lib/apt/lists/*
 
 WORKDIR /app
+
+# Copy requirements and install Python dependencies
 COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
 
-# bring in the app code (server.py must export `app`)
+# Bring in the app code (server.py must export `app`)
 COPY . .
 
 # Hugging Face expects port 7860
 ENV PORT=7860
 EXPOSE 7860
 
-# Serve Flask via gunicorn
-CMD ["gunicorn","-k","gthread","-w","2","--threads","4","--timeout","120","-b","0.0.0.0:7860","server:app"]
+# Serve Flask via Gunicorn
+CMD ["gunicorn", "-k", "gthread", "-w", "2", "--threads", "4", "--timeout", "120", "-b", "0.0.0.0:7860", "server:app"]