chore: Update Dockerfile to improve build process and upgrade pip

Dockerfile

@@ -1,9 +1,16 @@
 # read the doc: https://huggingface.co/docs/hub/spaces-sdks-docker
 # you will also find guides on how best to write your Dockerfile
 
+# read the doc: https://huggingface.co/docs/hub/spaces-sdks-docker
+# you will also find guides on how best to write your Dockerfile
+
 # Use the official Python 3.10 slim image as the base image
 FROM tiangolo/uvicorn-gunicorn:python3.10-slim
 
+# Install necessary tools
+USER root
+RUN apt-get update && apt-get install -y wget tar
+
 # Set up a new user named "user" with user ID 1000
 RUN useradd -m -u 1000 user
 
@@ -19,16 +26,13 @@ ENV HOME=/home/user \
     PATH=/home/user/.local/bin:$PATH
 
 # Set the working directory to the user's home directory
-WORKDIR $HOME/app
+WORKDIR /home/user/app
 
 # Upgrade pip
 RUN pip install --no-cache-dir --upgrade pip
 
-# Copy the current directory contents into the container at $HOME/app
-COPY --chown=user . $HOME/app
-
-# Set the working directory
-WORKDIR /app
+# Copy the current directory contents into the container at /home/user/app
+COPY --chown=user . .
 
 # List the contents of the working directory to debug
 RUN ls -la