Update Dockerfile

Dockerfile

@@ -27,21 +27,30 @@ WORKDIR $HOME/app
 
 # Install system dependencies as root
 USER root
-RUN apt-get update && apt-get install -y --no-install-recommends \
+# Install basic utilities and Python 3.9
+RUN apt-get update && apt-get install -y \
+    wget \
+    curl \
     git \
-    cmake \
-    build-essential \
-    libgl1-mesa-glx \
-    libglib2.0-0 \
-    ffmpeg \
+    software-properties-common \
+    && add-apt-repository ppa:deadsnakes/ppa -y && \
+    apt-get update && apt-get install -y \
     python3.9 \
-    python3-pip \
+    python3.9-distutils \
     python3.9-dev \
-    && rm -rf /var/lib/apt/lists/*
+    && apt-get clean && rm -rf /var/lib/apt/lists/*
 
-# Set Python 3.9 as the default python and pip versions
-RUN update-alternatives --install /usr/bin/python python /usr/bin/python3.9 1
-RUN update-alternatives --install /usr/bin/pip pip /usr/bin/pip3 1
+# Install pip for Python 3.9
+RUN curl -sS https://bootstrap.pypa.io/get-pip.py | python3.9
+
+# Set Python 3.9 as the default Python version
+RUN update-alternatives --install /usr/bin/python python /usr/bin/python3.9 1 && \
+    update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.9 1 && \
+    update-alternatives --config python <<< '1' && \
+    update-alternatives --config python3 <<< '1'
+
+# Verify Python and pip versions
+RUN python --version && pip --version
 
 USER user
 # Copy dependencies and install them via pip