Dockerfile.backend

# ============================================================
# PaperMind Backend Dockerfile - FastAPI + Worker
# @author Color2333
# ============================================================

FROM python:3.11-slim

WORKDIR /app

# 使用国内镜像源（阿里云）加速 apt 更新
RUN sed -i 's/deb.debian.org/mirrors.aliyun.com/g' /etc/apt/sources.list.d/debian.sources 2>/dev/null || \
    sed -i 's/deb.debian.org/mirrors.aliyun.com/g' /etc/apt/sources.list 2>/dev/null || true

# 安装系统依赖
RUN apt-get update && apt-get install -y --no-install-recommends \
    curl \
    sqlite3 \
    && rm -rf /var/lib/apt/lists/*

# 复制项目文件
COPY pyproject.toml ./
COPY packages/ packages/
COPY apps/ apps/
COPY scripts/ scripts/
COPY alembic.ini ./
COPY infra/migrations/ infra/migrations/

# 使用国内 pip 镜像源安装依赖
RUN pip install --cache-dir=/.pip-cache ".[llm,pdf]" \
    -i https://mirrors.aliyun.com/pypi/simple/ \
    && pip install --cache-dir=/.pip-cache \
        umap-learn \
        psutil \
        supervisor \
    -i https://mirrors.aliyun.com/pypi/simple/

# 创建数据目录和日志目录
RUN mkdir -p /app/data/papers /app/data/briefs /app/logs

# 强制设置数据库路径（避免环境变量冲突问题）
ENV DATABASE_URL=sqlite:////app/data/papermind.db
ENV PYTHONUNBUFFERED=1

# 初始化数据库（如果不存在）
RUN python scripts/local_bootstrap.py || true

EXPOSE 8000

HEALTHCHECK --interval=30s --timeout=5s --start-period=40s --retries=3 \
    CMD curl -sf http://localhost:8000/health || exit 1

# 默认命令（可以被 docker-compose 覆盖）
CMD ["python", "-m", "uvicorn", "apps.api.main:app", "--host", "0.0.0.0", "--port", "8000"]