# Use the official Python image from the Docker Hub
FROM python:3.10-slim

# Set up a new user named "user" with user ID 1000
RUN useradd -m -u 1000 user

# Install system dependencies
RUN apt-get update && apt-get install -y \
    build-essential \
    curl \
    software-properties-common \
    git \
    && rm -rf /var/lib/apt/lists/*

# Set environment variables for the cache directory (use a writable directory)
ENV TRANSFORMERS_CACHE=/home/user/.cache/huggingface
ENV STREAMLIT_SERVER_PORT=7860
ENV STREAMLIT_SERVER_ADDRESS=0.0.0.0

# Create and set the cache directory so the user can write to it
RUN mkdir -p /home/user/.cache/huggingface && chown -R user:user /home/user/.cache

# Switch to the "user" user
USER user

# Set home to the user's home directory
ENV HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH

# Set the working directory to the user's home directory
WORKDIR $HOME/app

# Upgrade pip to the latest version to avoid issues with outdated pip
RUN pip install --no-cache-dir --upgrade pip

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

# Install dependencies
RUN pip install --no-cache-dir -r requirements.txt

# Download any necessary assets
RUN mkdir -p content
ADD --chown=user https://huggingface.co/datasets/manhteky123/LawVietnamese/resolve/main/data.csv content/data.csv
ADD --chown=user https://huggingface.co/datasets/manhteky123/LawVietnamese/resolve/main/faiss_index.bin content/faiss_index.bin
ADD --chown=user https://huggingface.co/datasets/manhteky123/LawVietnamese/resolve/main/vectors.npy content/vectors.npy

# Create .streamlit directory and config
RUN mkdir -p .streamlit

# Health check for Streamlit
HEALTHCHECK CMD curl --fail http://localhost:7860/_stcore/health || exit 1

# Expose the port the app runs on (change from 5000 to 7860 for Streamlit)
EXPOSE 7860

# Define the command to run the Streamlit application
CMD ["streamlit", "run", "app.py", "--server.port=7860", "--server.address=0.0.0.0", "--server.headless=true", "--server.enableCORS=false", "--server.enableXsrfProtection=false"]