Update Dockerfile

Dockerfile

@@ -5,11 +5,19 @@ FROM nvidia/cuda:11.8.0-base-ubuntu22.04
 ENV DEBIAN_FRONTEND=noninteractive
 ENV PYTHONUNBUFFERED=1
 
-# Install system packages
+# Install system packages and Python 3.12
 RUN apt-get update && apt-get install -y \
+    software-properties-common && \
+    add-apt-repository ppa:deadsnakes/ppa && \
+    apt-get update && apt-get install -y \
+    python3.12 python3.12-venv python3.12-dev \
     wget git calibre ffmpeg libmecab-dev mecab mecab-ipadic python3-pip \
     && apt-get clean && rm -rf /var/lib/apt/lists/*
 
+# Make 'python' command work for Python 3.12
+RUN update-alternatives --install /usr/bin/python python /usr/bin/python3.12 1 && \
+    update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.12 1
+
 # Create and switch to a non-root user
 RUN useradd -m -u 1000 user
 USER user
@@ -22,10 +30,10 @@ WORKDIR /home/user/app
 RUN git clone https://github.com/DrewThomasson/ebook2audiobook.git /home/user/app
 
 # Install Python dependencies
-RUN pip install --no-cache-dir --upgrade -r requirements.txt
+RUN pip install --no-cache-dir --upgrade pip && pip install --no-cache-dir -r requirements.txt
 
 # Expose the application port
 EXPOSE 7860
 
 # Start the Gradio app
-CMD ["python3", "app.py"]
+CMD ["python", "app.py"]