FROM python:3.12-slim

# Install ffmpeg for merging video+audio streams
RUN apt-get update && apt-get install -y --no-install-recommends ffmpeg && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# Install Python dependencies first (better layer caching)
COPY pyproject.toml .
COPY yt_dlp ./yt_dlp
RUN pip install --no-cache-dir -e ".[default]" && \
    pip install --no-cache-dir fastapi "uvicorn[standard]" httpx

# Copy web app
COPY web/backend ./web/backend
COPY web/frontend ./web/frontend

RUN mkdir -p /app/web/backend/downloads

EXPOSE 8000

CMD ["python", "-m", "uvicorn", "web.backend.main:app", "--host", "0.0.0.0", "--port", "8000"]