Update Dockerfile

Dockerfile

@@ -26,13 +26,9 @@ ENV PATH=$CONDA_DIR/bin:$PATH
 
 RUN conda create -n instantsplat python=3.11 cmake=3.14.0 -y && \
     echo "source activate instantsplat" > ~/.bashrc && \
-    /bin/bash -c "source activate instantsplat"
-
-RUN conda update -n base -c defaults conda
-
-RUN conda install pytorch torchvision pytorch-cuda=12.1 -c pytorch -c nvidia -y
-
-RUN cd InstantSplat && \
+    /bin/bash -c "source activate instantsplat" && \
+    conda install pytorch torchvision pytorch-cuda=12.1 -c pytorch -c nvidia -y && \
+    cd InstantSplat && \
     pip install -r requirements.txt && \
     pip install submodules/simple-knn && \
     sed -i '154s/p_view.z <= 0.2f/p_view.z <= 0.001f/' submodules/diff-gaussian-rasterization/cuda_rasterizer/auxiliary.h && \