update pip install cmd

Dockerfile

@@ -46,9 +46,10 @@ COPY --chown=user . $HOME/app
 ENV LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libtcmalloc.so.4
 
 # install dependencies
-RUN pip install torch torchvision xformers --index-url https://download.pytorch.org/whl/cu121
+RUN pip3 install --no-cache-dir --upgrade --pre -r /code/requirements.txt
+RUN pip3 install torch torchvision xformers --index-url https://download.pytorch.org/whl/cu121
 RUN git submodule update --init --recursive
-RUN pip install -e ."[tensorrt]"
+RUN pip3 install -e ."[tensorrt]"
 
 # download models`
 RUN mkdir models