Dockerfile

FROM python:3.11-slim

# Install system deps
RUN apt-get update && apt-get install -y \
    git \
    curl \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# Copy requirements first (layer cache)
COPY requirements.txt .

# Install Python deps
RUN pip install --no-cache-dir --upgrade pip && \
    pip install --no-cache-dir -r requirements.txt

# Copy app
COPY . .

# Expose port
EXPOSE 7860

# Run
CMD ["python", "app.py"]