FROM python:3.10-slim

# Prevents Python from writing .pyc files
ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1

# Working directory
WORKDIR /app

# System deps (Pillow needs these)
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    libjpeg-dev \
    zlib1g-dev \
    && rm -rf /var/lib/apt/lists/*

# Install Python dependencies
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy app code
COPY . .

# Expose the port Streamlit will run on
EXPOSE 7860

# Streamlit entrypoint
CMD ["streamlit", "run", "app.py", "--server.port=7860", "--server.address=0.0.0.0"]