Dockerfile

# syntax=docker/dockerfile:1
FROM python:3.10-slim

ENV PIP_DISABLE_PIP_VERSION_CHECK=1 \
    PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1

# System deps (minimal)
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential git curl && \
    rm -rf /var/lib/apt/lists/*

WORKDIR /app
COPY requirements.txt /app/

RUN pip install --upgrade pip && \
    pip install -r requirements.txt

# Copy source
COPY . /app

# Streamlit in Spaces binds to 0.0.0.0:7860
EXPOSE 7860

# Streamlit avoids opening browser by default in container
CMD ["streamlit", "run", "frontend.py", "--server.port=7860", "--server.address=0.0.0.0"]