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#!/usr/bin/env bash
# RealEstateAI 容器启动脚本
# 作用:在带数据但缺模型产物时自动训练,使镜像在「有数据」前提下自洽可用;
# 无数据时给出清晰告警,避免 /api/predict/price 静默 503。
set -e
print_frontend_hint() {
echo ""
echo "============================================================"
echo " ✅ RealEstateAI 后端已就绪 (http://localhost:8000)"
echo "------------------------------------------------------------"
echo " 📊 API 文档: http://localhost:8000/docs"
echo ""
echo " 🖥️ 打开前端(在本机另开一个终端执行):"
echo " cd frontend"
echo " npm run dev"
echo " 然后浏览器打开: http://localhost:5173"
echo " (前端已自动连接本机 8000 端口的后端,无需额外配置)"
echo "============================================================"
echo ""
}
print_nlp_hint() {
# 运行时检测 NLP 语义模型是否可用,动态给出「已启用」或「如何启用」说明
if python -c "import sentence_transformers" >/dev/null 2>&1; then
echo "------------------------------------------------------------"
echo " 🤖 NLP 语义分析:已启用(已安装 sentence-transformers)"
echo "------------------------------------------------------------"
return
fi
echo ""
echo "------------------------------------------------------------"
echo " 🤖 NLP 文本分析(虚假宣传检测 / 语义相似度)当前为「降级模式」"
echo " 原因:精简镜像未包含 sentence-transformers + torch(约 +1.5GB)。"
echo " 影响:仅 /api/analyze/text 不可用;价格 / 趋势 / 房源 / 宏观 /"
echo " 城市对比 / AI 问答(RAG) 等核心功能均正常。"
echo ""
echo " 👉 若要启用 NLP 文本分析,请按以下步骤:"
echo " 1) 编辑 requirements-api.txt,取消注释下面两行依赖:"
echo " torch==2.5.1"
echo " sentence-transformers==3.3.1"
echo " transformers==4.46.3"
echo " huggingface-hub==0.26.2"
echo " 2) 重新构建并启动镜像(首次会下载模型 ~470MB,请耐心等待):"
echo " docker compose up --build --no-cache"
echo "------------------------------------------------------------"
echo ""
}
echo "🚀 RealEstateAI 启动检查..."
if [ -f data/realestate.db ]; then
if [ ! -f models/xgb_model.pkl ] || [ ! -f models/rf_model.pkl ] || [ ! -f models/blend_model.pkl ]; then
echo "🔧 检测到数据库但价格模型缺失,自动训练..."
python models/train.py || echo "⚠️ 价格模型训练失败,/api/predict/price 将返回 503"
fi
if [ ! -f models/trend_model.pkl ]; then
echo "🔧 自动拟合趋势模型..."
python -c "from models.trend_predictor import TrendPredictor; p=TrendPredictor(); p.fit_all_cities(); p.save_model()" \
|| echo "⚠️ 趋势模型拟合失败,/api/predict/city_trend 将不可用"
fi
echo "✅ 数据与模型就绪"
else
echo "⚠️ 未找到 data/realestate.db:价格/趋势预测将不可用。"
echo " 请按 DEPLOY.md「三、数据与模型」准备数据后重启容器。"
fi
print_frontend_hint
print_nlp_hint
exec uvicorn api.main:app --host 0.0.0.0 --port 8000