# ====================================================================
# Dockerfile for Hugging Face Space (Docker runtime)
# Nginx (7860) -> Uvicorn (8000), fix: nginx not found
# ORIGINAL VERSION - RELIES ON HF SECRETS
# ====================================================================

FROM python:3.10-slim

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PIP_NO_CACHE_DIR=1

# Install Nginx + tini (as init)
RUN apt-get update && apt-get install -y --no-install-recommends \
      nginx ca-certificates bash curl tini \
    && rm -rf /var/lib/apt/lists/*

# 🔧 关键修正：把 /usr/sbin 加进 PATH，避免 "nginx: not found"
ENV PATH="/usr/sbin:/sbin:${PATH}"

WORKDIR /app

# Python deps from upstream repo
COPY requirements.txt .
RUN pip install --no-cache-dir --upgrade pip && \
    pip install --no-cache-dir -r requirements.txt

# App code (upstream files) — we don't modify them
COPY . .

# Non-root user & perms for Nginx runtime paths
RUN useradd --create-home --shell /bin/bash appuser && \
    mkdir -p /var/lib/nginx /var/cache/nginx /run/nginx /tmp/nginx && \
    chown -R appuser:appuser /app /var/lib/nginx /var/cache/nginx /var/log/nginx /run/nginx /tmp/nginx

# Use your provided nginx.conf (listens 7860, logs/pid in /tmp, user appuser)
COPY nginx.conf /etc/nginx/nginx.conf

# External port
ENV PORT=7860
EXPOSE 7860

USER appuser
ENTRYPOINT ["/usr/bin/tini","--"]

# 🔧 关键修正：使用绝对路径启动 Nginx
CMD bash -lc "\
  uvicorn main:app --host 0.0.0.0 --port 8000 --workers 4 & \
  exec /usr/sbin/nginx -g 'daemon off;' \
"