FROM python:3.11-slim

# Set working directory for app installation
WORKDIR /code

# Copy requirements file first to leverage Docker cache
COPY requirements.txt /code/

# Install dependencies globally
RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt

# Set up a new user named "user" with user ID 1000
# This is a best practice for security and required by Hugging Face Spaces
RUN useradd -m -u 1000 user

# 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

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

# Expose port (7860 is HF Spaces standard port for Docker spaces)
EXPOSE 7860

# Start Uvicorn
CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "7860"]