Update Dockerfile

Dockerfile

@@ -1,7 +1,28 @@
 FROM nvidia/cuda:11.3.1-cudnn8-devel-ubuntu18.04
-CMD nvidia-smi
+#CMD nvidia-smi
 
 ENV DEBIAN_FRONTEND noninteractive
+
+# Install Git, Python 3.9, and required packages
+RUN apt-get update && \
+    apt-get install -y git python3.9 python3.9-dev python3-pip && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/*
+
+# Set Python 3.9 as the default
+RUN update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.9 1
+
+# Install pip for Python 3.9
+RUN wget https://bootstrap.pypa.io/get-pip.py && \
+    python3.9 get-pip.py && \
+    rm get-pip.py
+
+# Install Git
+RUN apt-get update && \
+    apt-get install -y git && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/*
+    
 # Set up a new user named "user" with user ID 1000
 RUN useradd -m -u 1000 user