FROM nvidia/cuda:11.3.1-base-ubuntu20.04

ENV DEBIAN_FRONTEND=noninteractive \
    TZ=Europe/Paris

# Install some basic utilities and packages for GPU detection
RUN rm -f /etc/apt/sources.list.d/*.list && \
    apt-get update && apt-get install -y --no-install-recommends \
    curl \
    ca-certificates \
    sudo \
    git \
    git-lfs \
    zip \
    unzip \
    htop \
    bzip2 \
    libx11-6 \
    build-essential \
    libsndfile-dev \
    software-properties-common \
    pciutils \
 && rm -rf /var/lib/apt/lists/*

RUN add-apt-repository ppa:flexiondotorg/nvtop && \
    apt-get upgrade -y && \
    apt-get install -y --no-install-recommends nvtop

RUN curl -sL https://deb.nodesource.com/setup_18.x  | bash - && \
    apt-get install -y nodejs && \
    npm install -g configurable-http-proxy

# Create a working directory
WORKDIR /app

# Create a non-root user and switch to it
RUN adduser --disabled-password --gecos '' --shell /bin/bash user \
 && chown -R user:user /app
RUN echo "user ALL=(ALL) NOPASSWD:ALL" > /etc/sudoers.d/90-user
USER user

# All users can use /home/user as their home directory
ENV HOME=/home/user
RUN mkdir $HOME/.cache $HOME/.config \
 && chmod -R 777 $HOME

# Set up the Conda environment
ENV CONDA_AUTO_UPDATE_CONDA=false \
    PATH=$HOME/miniconda/bin:$PATH
RUN curl -sLo ~/miniconda.sh https://repo.continuum.io/miniconda/Miniconda3-py39_4.10.3-Linux-x86_64.sh \
 && chmod +x ~/miniconda.sh \
 && ~/miniconda.sh -b -p ~/miniconda \
 && rm ~/miniconda.sh \
 && conda clean -ya

WORKDIR $HOME/app

#######################################
# Start root user section
#######################################

USER root

# User Debian packages
## Security warning : Potential user code executed as root (build time)
COPY packages.txt /root/packages.txt
RUN apt-get update && \
    xargs -r -a /root/packages.txt apt-get install -y --no-install-recommends \
    && rm -rf /var/lib/apt/lists/*

# Script to check for GPU
COPY check_gpu.sh /root/check_gpu.sh
RUN chmod +x /root/check_gpu.sh

# Copy notebook requirement files
COPY notebooks/requirements_cpu.txt /home/user/notebooks/requirements_cpu.txt
COPY notebooks/requirements_gpu.txt /home/user/notebooks/requirements_gpu.txt

# Conditional installation based on GPU availability
RUN if /root/check_gpu.sh; then \
        echo "GPU detected. Installing GPU-specific Python packages." && \
        cp /home/user/notebooks/requirements_gpu.txt /home/user/requirements_specific.txt; \
    else \
        echo "No GPU detected. Installing CPU-specific Python packages." && \
        cp /home/user/notebooks/requirements_cpu.txt /home/user/requirements_specific.txt; \
    fi

#######################################
# End root user section
#######################################

USER user

# Python packages
COPY base_requirements.txt /home/user/base_requirements.txt
RUN pip install --no-cache-dir --upgrade -r /home/user/base_requirements.txt -r /home/user/requirements_specific.txt

# Copy the current directory contents into the container at $HOME/app setting the owner to the user
COPY --chown=user . $HOME/app

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

CMD ["./start_server.sh"]