FROM python:3.12-slim

WORKDIR /app

RUN apt-get update \
    && apt-get install -y --no-install-recommends ffmpeg \
    && rm -rf /var/lib/apt/lists/*

COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

COPY . .

ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1

RUN useradd -m -u 1000 boothuser && mkdir -p /app/data /app/uploads && chown -R boothuser:boothuser /app
USER boothuser

# Default internal port; override with INTERNAL_PORT env var
EXPOSE 8000

# Use shell form so environment variables are expanded at runtime
CMD gunicorn -b 0.0.0.0:${INTERNAL_PORT:-8000} --access-logfile - app:app