Update Dockerfile

Dockerfile

@@ -1,12 +1,10 @@
 FROM nvidia/cuda:11.3.1-base-ubuntu20.04
 
 ENV DEBIAN_FRONTEND=noninteractive \
-	TZ=Europe/Paris
+    TZ=Europe/Paris
 
-# Remove any third-party apt sources to avoid issues with expiring keys.
 # Install some basic utilities
-RUN rm -f /etc/apt/sources.list.d/*.list && \
-    apt-get update && apt-get install -y --no-install-recommends \
+RUN apt-get update && apt-get install -y --no-install-recommends \
     curl \
     ca-certificates \
     sudo \
@@ -27,10 +25,11 @@ RUN rm -f /etc/apt/sources.list.d/*.list && \
  && rm -rf /var/lib/apt/lists/*
 
 RUN add-apt-repository ppa:flexiondotorg/nvtop && \
+    apt-get update && \
     apt-get upgrade -y && \
     apt-get install -y --no-install-recommends nvtop
 
-RUN curl -sL https://deb.nodesource.com/setup_14.x  | bash - && \
+RUN curl -sL https://deb.nodesource.com/setup_14.x | bash - && \
     apt-get install -y nodejs && \
     npm install -g configurable-http-proxy
 
@@ -73,7 +72,7 @@ RUN --mount=target=/root/packages.txt,source=packages.txt \
     && rm -rf /var/lib/apt/lists/*
 
 RUN --mount=target=/root/on_startup.sh,source=on_startup.sh,readwrite \
-	bash /root/on_startup.sh
+    bash /root/on_startup.sh
 
 RUN mkdir /data && chown user:user /data
 
@@ -95,11 +94,11 @@ RUN chmod +x start_server.sh
 COPY --chown=user login.html /home/user/miniconda/lib/python3.9/site-packages/jupyter_server/templates/login.html
 
 ENV PYTHONUNBUFFERED=1 \
-	GRADIO_ALLOW_FLAGGING=never \
-	GRADIO_NUM_PORTS=1 \
-	GRADIO_SERVER_NAME=0.0.0.0 \
-	GRADIO_THEME=huggingface \
-	SYSTEM=spaces \
-	SHELL=/bin/bash
+    GRADIO_ALLOW_FLAGGING=never \
+    GRADIO_NUM_PORTS=1 \
+    GRADIO_SERVER_NAME=0.0.0.0 \
+    GRADIO_THEME=huggingface \
+    SYSTEM=spaces \
+    SHELL=/bin/bash
 
 CMD ["./start_server.sh"]