diff --git a/Dockerfile b/Dockerfile
index acdd785..8a9d934 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,13 +5,14 @@ LABEL maintainer="UC San Diego ITS/ETS <ets-consult@ucsd.edu>"
 # 2) change to root to install packages
 USER root
 
-
+RUN     apt-get -q update && \
+        apt-get install -qy \
+                p7zip-full \
+                software-properties-common 
 
 # install cuda 11-1 and toolkit
 # https://developer.nvidia.com/cuda-11.1.0-download-archive?target_os=Linux&target_arch=x86_64&target_distro=Ubuntu&target_version=2004&target_type=debnetwork
-RUN apt-get update && \
-    apt-get install -y p7zip-full software-properties-common && \
-    wget https://developer.download.nvidia.com/compute/cuda/repos/ubuntu2004/x86_64/cuda-ubuntu2004.pin && \
+RUN wget https://developer.download.nvidia.com/compute/cuda/repos/ubuntu2004/x86_64/cuda-ubuntu2004.pin && \
     mv cuda-ubuntu2004.pin /etc/apt/preferences.d/cuda-repository-pin-600  && \
     apt-key adv --fetch-keys https://developer.download.nvidia.com/compute/cuda/repos/ubuntu2004/x86_64/7fa2af80.pub  && \
     apt-key adv --fetch-keys https://developer.download.nvidia.com/compute/cuda/repos/ubuntu2004/x86_64/3bf863cc.pub  && \
@@ -26,9 +27,6 @@ RUN apt-get update && \
     wget -nv https://urldefense.com/v3/__https://developer.download.nvidia.com/compute/cuda/repos/ubuntu2004/x86_64/libnccl2_2.8.4-1*cuda11.1_amd64.deb__;Kw!!Mih3wA!Gdyp1ukt20BXVegNBzmgDfWhJBT9wJRv0kfA_Go0MCt8kLnGgWIlIwf4enXHKWsp-Mfo5Hrl5w5FGlY-z9s2UILA$  -O /var/tmp/libnccl2.deb && \
     dpkg -i /var/tmp/libcudnn8.deb /var/tmp/libnccl2.deb
 
-RUN fix-permissions $CONDA_DIR  && \
-    fix-permissions /home/$NB_USER
-
 
 COPY env.yml /tmp/env.yml
 
@@ -36,8 +34,8 @@ RUN conda env create --file /tmp/env.yml && \
     eval "$(conda shell.bash hook)" && \
     conda activate ${KERNEL} && \
     mkdir -p $CONDA_PREFIX/etc/conda/activate.d && \
-#    CUDNN_PATH=$(dirname $(python -c "import nvidia.cudnn;print(nvidia.cudnn.__file__)")) && \
-#    echo 'export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$CONDA_PREFIX/lib/:$CUDNN_PATH/lib' > $CONDA_PREFIX/etc/conda/activate.d/env_vars.sh && \
+   # CUDNN_PATH=$(dirname $(python -c "import nvidia.cudnn;print(nvidia.cudnn.__file__)")) && \
+   # echo 'export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$CONDA_PREFIX/lib/:$CUDNN_PATH/lib' > $CONDA_PREFIX/etc/conda/activate.d/env_vars.sh && \
     python -m ipykernel install --name=${KERNEL} && \
     fix-permissions $CONDA_DIR && \
     fix-permissions /home/$NB_USER