Update Dockerfile

Dockerfile

@@ -22,10 +22,15 @@ RUN add-apt-repository ppa:deadsnakes/ppa && apt-get update
 # Install Python 3.4
 RUN apt-get install -y python3.4 python3.4-dev python3.4-venv
 
-# Set Python 3.4 as default (optional)
-RUN update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.4 1
+# Install pip for Python 3.4
+RUN curl https://bootstrap.pypa.io/pip/3.4/get-pip.py -o get-pip.py && \
+    python3.4 get-pip.py && \
+    rm get-pip.py
 
-# Copy requirements file
+# Verify Python and pip versions
+RUN python3.4 --version && python3.4 -m pip --version
+
+# Copy requirements file (if applicable)
 COPY requirements.txt /tmp/requirements.txt
 
 # Install Python dependencies