# Use a Python 3.10 slim image
FROM python:3.10-slim

ENV TZ=UTC

# Install system dependencies
# libgl1 replaces libgl1-mesa-glx in newer Debian versions for OpenCV/MediaPipe
RUN apt-get update && apt-get install -y \
    libgl1 \
    libglib2.0-0 \
    ffmpeg \
    espeak \
    && rm -rf /var/lib/apt/lists/*

# Set up a new user named "user" with user ID 1000 (Required by Hugging Face)
RUN useradd -m -u 1000 user
USER user
ENV HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH

WORKDIR $HOME/app

# 1. Copy requirements first to leverage Docker caching
# If your requirements.txt is inside a 'backend' folder, change this to: COPY --chown=user backend/requirements.txt .
COPY --chown=user requirements.txt .
RUN pip install --no-cache-dir --upgrade -r requirements.txt

# 2. Copy the rest of the files
COPY --chown=user . .

# 3. Start the application
# If main.py is in the root of your Space, use:
# CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]
CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860", "--workers", "2"]

# IF main.py is inside a 'backend' folder, use this instead:
# CMD ["uvicorn", "backend.main:app", "--host", "0.0.0.0", "--port", "7860"]