added Rocky Linux support and new Dockerfile for cpu

Dockerfile

@@ -1,44 +1,91 @@
-FROM python:3.8-slim
+FROM rockylinux:8.7
+
+ENV DEBIAN_FRONTEND noninteractive
 
 # Install system dependencies
-RUN apt-get update && apt-get install -y \
+RUN yum update -y && yum install -y \
     git \
-    build-essential \
+    make \
+    gcc \
+    gcc-c++ \
+    openssl-devel \
+    zlib-devel \
+    bzip2-devel \
+    readline-devel \
+    sqlite-devel \
     wget \
     curl \
+    llvm \
+    ncurses-devel \
+    xz \
+    xz-devel \
+    tk-devel \
+    libxml2-devel \
+    libxmlsec1-devel \
+    libffi-devel \
+    liblzma-devel \
     ffmpeg \
-    libsm6 \
-    libxext6 \
-    libgl1-mesa-glx \
-    && rm -rf /var/lib/apt/lists/*
+    libSM \
+    libXext \
+    libXrender \
+    cmake \
+    mesa-libGL \
+    python3-devel \
+    && yum clean all
+
+# Create user
+RUN useradd -ms /bin/bash user
+USER user
+
+ENV HOME=/home/user \
+    PATH=/home/user/.local/bin:$PATH
+
+# Install pyenv
+RUN curl https://pyenv.run | bash
+ENV PATH=$HOME/.pyenv/shims:$HOME/.pyenv/bin:$PATH
+
+# Install Python 3.8.15
+RUN pyenv install 3.8.15 && \
+    pyenv global 3.8.15 && \
+    pyenv rehash && \
+    pip install --no-cache-dir --upgrade pip==22.3.1 setuptools wheel
+
+ENV WORKDIR=/code
+WORKDIR $WORKDIR
+
+# Copy requirements
+COPY --chown=user:user requirements.txt $WORKDIR/requirements.txt
 
-# Create user (required by HF Spaces)
-RUN useradd -m -u 1000 user
+# Install CPU-specific requirements with natten CPU wheel
+RUN pip install --no-cache-dir --upgrade -r $WORKDIR/requirements.txt
 
-WORKDIR /app
+# Verify natten installation
+RUN python -c "import natten; print(f'NATTEN version: {natten.__version__}')"
 
-# Install Python packages
-COPY requirements.txt .
-RUN pip install --upgrade pip==22.3.1 && \
-    pip install --no-cache-dir -r requirements.txt
+# Copy application code
+COPY --chown=user:user . .
 
-# Verify installations
-RUN python -c "import torch; print(f'PyTorch: {torch.__version__}, CPU: {not torch.cuda.is_available()}')"
-RUN python -c "import natten; print(f'NATTEN: {natten.__version__}')"
-RUN python -c "import detectron2; print(f'Detectron2: {detectron2.__version__}')"
+# Set permissions
+USER root
+RUN chown -R user:user $HOME && \
+    chmod -R 755 $HOME && \
+    chown -R user:user $WORKDIR && \
+    chmod -R 755 $WORKDIR
 
-# Switch to user
 USER user
-ENV HOME=/home/user PATH=/home/user/.local/bin:$PATH
 
-# Copy application
-COPY --chown=user:user . /app
+# Download example images
+RUN mkdir -p examples && \
+    wget https://praeclarumjj3.github.io/files/ade20k.jpeg -P $WORKDIR/examples/ && \
+    wget https://praeclarumjj3.github.io/files/cityscapes.png -P $WORKDIR/examples/ && \
+    wget https://praeclarumjj3.github.io/files/coco.jpeg -P $WORKDIR/examples/
 
-# CPU optimizations
+# CPU environment variables
 ENV CUDA_VISIBLE_DEVICES=""
 ENV FORCE_CUDA="0"
 ENV OMP_NUM_THREADS=4
 ENV MKL_NUM_THREADS=4
+ENV PYTHONUNBUFFERED=1
 
 EXPOSE 7860
-CMD ["python", "gradio_app.py"]
+ENTRYPOINT ["python", "gradio_app.py"]