Dockerfile.backend

# 使用国内镜像，避免 pull docker.io 超时；可改为 python:3.11-slim（需能访问 Docker Hub）
FROM docker.m.daocloud.io/library/python:3.11-slim

ARG DEBIAN_MIRROR=mirrors.tuna.tsinghua.edu.cn
ARG PYPI_INDEX_URL=https://pypi.tuna.tsinghua.edu.cn/simple
ARG PYPI_FILES_BASE=https://pypi.tuna.tsinghua.edu.cn

WORKDIR /app

# Install system dependencies
# gcc/g++ might be needed for some python packages
# ffmpeg for audio duration detection (TTS video generation)
# Use a configurable mirror; default to Tsinghua to avoid slow deb.debian.org downloads.
RUN sed -i "s|deb.debian.org|${DEBIAN_MIRROR}|g" /etc/apt/sources.list.d/debian.sources && \
    apt-get update && apt-get install -y --no-install-recommends \
    gcc \
    g++ \
    ffmpeg \
    && rm -rf /var/lib/apt/lists/*

# Install uv for faster dependency resolution
# Use a configurable PyPI mirror to avoid timeouts to pypi.org/files.pythonhosted.org.
RUN pip install uv -i ${PYPI_INDEX_URL}

# Copy workspace metadata and source
COPY pyproject.toml uv.lock uv.toml /app/
COPY packages/core /app/packages/core
COPY packages/backend /app/packages/backend

# Rewrite the copied uv config/lock to mirror hosts inside the image while keeping the repo source unchanged.
RUN sed -i \
    -e "s|https://pypi.org/simple|${PYPI_INDEX_URL}|g" \
    -e "s|https://files.pythonhosted.org|${PYPI_FILES_BASE}|g" \
    /app/uv.toml /app/uv.lock

# Install backend runtime dependencies from the workspace lock
RUN uv sync --frozen --no-dev --package deepeye-backend --project /app

# Set environment variables
# Include both backend and core in PYTHONPATH to ensure modules are found
ENV PATH=/app/.venv/bin:$PATH
ENV PYTHONPATH=/app/packages/backend:/app/packages/core
ENV PYTHONUNBUFFERED=1

# Default command (will be overridden in docker-compose)
CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]