update dockerfile

Dockerfile

@@ -1,47 +1,45 @@
-# 1. Start from the official slim Python image
+# 1. Base image
 FROM python:3.10-slim
 
-# 2. Disable interactive prompts and set timezone to UTC
+# 2. Noninteractive + timezone
 ENV DEBIAN_FRONTEND=noninteractive \
     TZ=Etc/UTC \
     XDG_CACHE_HOME=/tmp/.cache \
     HF_HOME=/tmp/.cache/huggingface
 
-# 3. Use bash in strict mode for reliable builds
+# 3. Use bash strict mode
 SHELL ["/bin/bash", "-euxo", "pipefail", "-c"]
 
-# 4. Preseed tzdata, install system deps (git, cmake, build tools, OpenBLAS), then clean up
-RUN echo "tzdata tzdata/Areas select Etc" > /tmp/tzdata.seed \
- && echo "tzdata tzdata/Zones/Etc select UTC" >> /tmp/tzdata.seed \
- && apt-get update \
+# 4. Install system deps and set timezone
+RUN apt-get update \
  && apt-get install -y --no-install-recommends \
       tzdata \
       git \
       cmake \
       build-essential \
       libopenblas-dev \
- && rm -rf /var/lib/apt/lists/* \
- && cp /usr/share/zoneinfo/Etc/UTC /etc/localtime \
- && echo "Etc/UTC" > /etc/timezone
+ && ln -sf /usr/share/zoneinfo/$TZ /etc/localtime \
+ && echo $TZ > /etc/timezone \
+ && rm -rf /var/lib/apt/lists/*
 
-# 5. Create cache directories with proper permissions
+# 5. Prepare cache dirs
 RUN mkdir -p "$XDG_CACHE_HOME" "$HF_HOME" \
  && chmod -R a+rwX "$XDG_CACHE_HOME" "$HF_HOME"
 
-# 6. Build and install llama-cpp-python from source with OpenBLAS support
+# 6. Build llama-cpp-python with OpenBLAS
 RUN git clone --depth 1 --recurse-submodules \
       https://github.com/abetlen/llama-cpp-python.git /tmp/llama-cpp-python \
  && cd /tmp/llama-cpp-python \
  && CMAKE_ARGS="-DGGML_BLAS=ON -DGGML_BLAS_VENDOR=OpenBLAS" pip install . \
  && rm -rf /tmp/llama-cpp-python
 
-# 7. (Optional) Install any other Python deps your app needs
+# 7. (Optional) Your other Python deps
 # COPY requirements.txt .
 # RUN pip install --no-cache-dir -r requirements.txt
 
-# 8. Copy in your application code
+# 8. Copy app code
 COPY . .
 
-# 9. Expose the HF Spaces port and set the default command
+# 9. Expose & run
 EXPOSE 7860
 CMD ["python3", "app.py"]