FROM python:3.12-slim

WORKDIR /app

# Build this image from the project parent directory so both
# engine-v3/engine and fastgpt-python-sdk are available in the context.
# Example:
#   docker build -f engine-v3/engine/Dockerfile -t engine-v3 .

# Install system dependencies for audio processing
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    libportaudio2 \
    libportaudiocpp0 \
    portaudio19-dev \
    ffmpeg \
    && rm -rf /var/lib/apt/lists/*

# Install Python dependencies
COPY engine-v3/engine/requirements.txt /tmp/requirements.txt
COPY fastgpt-python-sdk /deps/fastgpt-python-sdk
RUN pip install --no-cache-dir -r /tmp/requirements.txt \
    && pip install --no-cache-dir /deps/fastgpt-python-sdk

# Copy application code
COPY engine-v3/engine /app

# Create necessary directories
RUN mkdir -p /app/logs /app/data/vad

EXPOSE 8001

CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8001"]