Update Dockerfile

Dockerfile

@@ -19,10 +19,10 @@ RUN apt-get update && \
 # Install Python 3.12 (as recommended)
 RUN add-apt-repository ppa:deadsnakes/ppa && \
     apt-get update && \
-    apt-get install -y python3.12 python3.12-venv python3.12-dev && \
-    update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.12 1 && \
-    update-alternatives --set python3 /usr/bin/python3.12 && \
-    curl -sS https://bootstrap.pypa.io/get-pip.py | python3.12
+    apt-get install -y python3.11 python3.11-venv python3.11-dev && \
+    update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.11 1 && \
+    update-alternatives --set python3 /usr/bin/python3.11 && \
+    curl -sS https://bootstrap.pypa.io/get-pip.py | python3.11
 
 # Install uv for faster dependency management
 RUN curl -LsSf https://astral.sh/uv/install.sh | sh && \