Update Dockerfile

Dockerfile

@@ -1,34 +1,16 @@
-FROM jupyter/base-notebook:python-3.9.7
+# Already existing in base image:
+# USER jovyan
+ENV PATH="/home/jovyan/.local/bin:$PATH"
 
-# Switch to root to install system packages
-USER root
-
-# Install extra packages
-RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y sudo sshpass dropbear \
- && apt-get clean && rm -rf /var/lib/apt/lists/*
-
-# Set root password
-RUN echo "root:alvin" | chpasswd
-
-# Create a non-root user
-RUN useradd -m -u 1000 user \
- && echo "user:alvin" | chpasswd \
- && echo "user ALL=(ALL) NOPASSWD:ALL" > /etc/sudoers.d/user \
- && chmod 0440 /etc/sudoers.d/user
-
-# Copy app files and make them executable
+# Copy files and set permissions
 COPY . /app
 RUN chmod -R 777 /app
 WORKDIR /app
 RUN chmod +x ./startup.sh
 
-# Switch to non-root user
-USER user
-ENV PATH="/home/user/.local/bin:$PATH"
-
 # Install Python dependencies
-COPY --chown=user ./requirements.txt requirements.txt
+COPY ./requirements.txt requirements.txt
 RUN pip install --no-cache-dir --upgrade -r requirements.txt
 
-# Start your startup.sh first, then Jupyter Notebook
+# Start startup.sh then Jupyter Notebook
 CMD ["bash", "-c", "jupyter notebook --ip=0.0.0.0 --port=7860 --no-browser --NotebookApp.token='' --NotebookApp.password=''"]