FROM python:3.11-slim

# System deps (optional – add what you actually need)
RUN apt-get update && apt-get install -y --no-install-recommends \
    curl ca-certificates && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# Install Python deps first for better layer caching
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy your app
COPY . .

# Force the app to listen on all interfaces, fixed port
ENV PORT=5050
EXPOSE 5050

# Generic python entrypoint (change main.py to your entry file)
CMD ["python", "main.py"]