FROM python:3.11.5

# Expose the application port
EXPOSE 7860

# Environment settings
ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1

# Set the working directory inside the container
WORKDIR /app

# Copy the backend code into the container
COPY backend /app

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

# Create a non-root user
RUN useradd -m -u 1000 user

# Create a writable directory for attachments and assign ownership to the non-root user
USER root
RUN mkdir -p /data/attachments && chown -R user:user /data/attachments

# Ensure correct permissions (optional but recommended)
RUN chown -R root:root /app

# Switch to the non-root user
USER user
ENV HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH

# Start the FastAPI application
CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]