FROM python:3.12-slim

WORKDIR /app

ENV HOME=/app
ENV STREAMLIT_BROWSER_GATHER_USAGE_STATS=false
ENV PYTHONUNBUFFERED=1
ENV STREAMLIT_SERVER_HEADLESS=true
ENV STREAMLIT_SERVER_ADDRESS=0.0.0.0
ENV STREAMLIT_SERVER_PORT=7860
ENV STREAMLIT_SERVER_ENABLE_CORS=false
ENV STREAMLIT_SERVER_ENABLE_XSRF_PROTECTION=false

RUN mkdir -p /app/.streamlit && \
    chmod -R 777 /app/.streamlit

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

COPY requirements.txt ./

RUN pip install --no-cache-dir --upgrade pip && \
    pip install --no-cache-dir -r requirements.txt

COPY src/ ./src/

EXPOSE 7860

HEALTHCHECK --interval=30s --timeout=10s --start-period=30s --retries=3 \
  CMD curl --fail http://localhost:7860/_stcore/health || exit 1

CMD ["streamlit", "run", "src/streamlit_app.py"]