优化静态路由

backend/Dockerfile

@@ -1,18 +1,14 @@
-FROM python:3.11-slim
-
+FROM python:3.11-slim AS python-deps
 WORKDIR /app
-
-# System deps for akshare (pandas/numpy) and network requests
-RUN apt-get update && apt-get install -y --no-install-recommends \
-    gcc \
+RUN apt-get update && apt-get install -y --no-install-recommends gcc \
     && rm -rf /var/lib/apt/lists/*
-
 COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
+RUN find /usr/local/lib/python3.11 -type d -name "__pycache__" -exec rm -rf {} + 2>/dev/null || true
 
+FROM python:3.11-slim
+WORKDIR /app
+COPY --from=python-deps /usr/local/lib/python3.11/site-packages /usr/local/lib/python3.11/site-packages
 COPY . .
-
-# SQLite db will be created at runtime in /app
 EXPOSE 8000
-
-CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]
+CMD ["python", "-m", "uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]