FROM python:3.10-slim

WORKDIR /app

ENV DEBIAN_FRONTEND=noninteractive
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    curl \
    ca-certificates \
    git \
    && rm -rf /var/lib/apt/lists/*

# Create a non-root user (we'll switch to it at runtime)
RUN useradd -m -u 1000 user

# Copy app files and install dependencies as root to avoid permission problems
COPY requirements.txt ./
RUN pip install --no-cache-dir -r requirements.txt

COPY . /app
RUN chown -R user:user /app
COPY start.sh /app/start.sh
RUN chown user:user /app/start.sh && chmod +x /app/start.sh

ENV HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH

USER user
WORKDIR /app

EXPOSE 7860

# Use PORT env var if provided by the platform, otherwise default to 7860
HEALTHCHECK CMD curl --fail http://localhost:${PORT:-7860}/_stcore/health || exit 1

# Use launcher so logs include environment and file listing for debugging
USER user
WORKDIR /app
CMD ["./start.sh"]