update

Dockerfile

@@ -0,0 +1,45 @@
+# 使用Python 3.10作为基础镜像
+FROM python:3.10-slim
+
+# 设置时区
+RUN ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
+# 清空所有默认源
+RUN rm -rf /etc/apt/sources.list.d/* && \
+    rm -f /etc/apt/sources.list
+
+# 替换为阿里云源
+RUN echo "\
+ deb https://mirrors.aliyun.com/debian/ bookworm main non-free-firmware contrib\n\
+ deb-src https://mirrors.aliyun.com/debian/ bookworm main non-free-firmware contrib\n\
+ deb https://mirrors.aliyun.com/debian/ bookworm-updates main non-free-firmware contrib\n\
+ deb-src https://mirrors.aliyun.com/debian/ bookworm-updates main non-free-firmware contrib\n\
+ deb https://mirrors.aliyun.com/debian/ bookworm-backports main non-free-firmware contrib\n\
+ deb-src https://mirrors.aliyun.com/debian/ bookworm-backports main non-free-firmware contrib\n\
+ deb https://mirrors.aliyun.com/debian-security bookworm-security main non-free-firmware contrib\n\
+ deb-src https://mirrors.aliyun.com/debian-security bookworm-security main non-free-firmware contrib\n\
+ " > /etc/apt/sources.list
+
+# 安装系统依赖
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends \
+        build-essential \
+        default-libmysqlclient-dev \
+        pkg-config \
+    && rm -rf /var/lib/apt/lists/*
+
+# 设置工作目录
+WORKDIR /app
+
+# 复制项目文件
+COPY requirements.txt .
+COPY app app/
+
+# 安装Python依赖
+RUN pip install -i https://mirrors.aliyun.com/pypi/simple/ -r requirements.txt \
+    && pip install uvicorn
+
+# 暴露端口
+EXPOSE 8000
+
+# 启动命令
+CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000", "--reload"] 

main.py

@@ -4,11 +4,22 @@ from app.core.config import settings
 from app.api.v1.api import api_router
 from app.core.middleware import add_response_middleware
 from app.core.exceptions import add_exception_handlers
+from contextlib import asynccontextmanager
+
+@asynccontextmanager
+async def lifespan(app: FastAPI):
+    # 在应用启动时执行
+    from app.db.init_db import init_db
+    await init_db()
+    yield
+    # 在应用关闭时执行
+    # 清理代码可以放在这里
 
 app = FastAPI(
     title=settings.PROJECT_NAME,
     description=settings.PROJECT_DESCRIPTION,
     version=settings.PROJECT_VERSION,
+    lifespan=lifespan
 )
 
 # 配置CORS
@@ -37,14 +48,6 @@ async def root():
 async def health_check():
     return {"status": "healthy"}
 
-# 应用启动事件
-@app.on_event("startup")
-async def startup_event():
-    # 延迟导入，避免循环导入问题
-    from app.db.init_db import init_db
-    # 调用异步初始化函数
-    await init_db()
-
 if __name__ == "__main__":
     import uvicorn
     uvicorn.run("main:app", host="0.0.0.0", port=8000, reload=True)