FROM python:3.11-slim

WORKDIR /app

RUN apt-get update && apt-get install -y \
    ffmpeg \
    libgl1 \
    libglib2.0-0 \
    curl \
    git \
    && rm -rf /var/lib/apt/lists/*

COPY requirements.txt ./
# Replace opencv-python with headless variant (no display server in containers)
RUN grep -v '^opencv-python$' requirements.txt > /tmp/req_no_cv.txt \
    && pip install --no-cache-dir -r /tmp/req_no_cv.txt \
    && pip install --no-cache-dir opencv-python-headless

COPY . .

ENV PORT=8080

HEALTHCHECK CMD curl --fail http://localhost:${PORT}/_stcore/health || exit 1

CMD streamlit run app.py \
    --server.port=${PORT} \
    --server.address=0.0.0.0 \
    --server.headless=true