Dockerfile

FROM python:3.11-slim

# Create app user and directory
RUN useradd -m appuser && \
    mkdir -p /app && \
    chown appuser:appuser /app

WORKDIR /app

# Install system dependencies
RUN apt-get update && \
    apt-get install -y --no-install-recommends curl && \
    rm -rf /var/lib/apt/lists/*

COPY --chown=appuser:appuser . .

USER appuser

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

EXPOSE 7860

HEALTHCHECK --interval=30s --timeout=3s \
    CMD curl -f https://cronjob-python-backend.hf.space/ping || exit 1

# Single command to run everything
CMD bash -c "python -m uvicorn main:app --host 0.0.0.0 --port 7860 & \
    while sleep 300; do \
        curl -s https://cronjob-python-backend.hf.space/ping > /dev/null || exit 1; \
    done"