初始版本

backend/app/main.py

@@ -0,0 +1,45 @@
+"""
+FastAPI 应用主入口
+"""
+from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
+from app.core.config import settings
+from app.api.api_v1.api import api_router
+
+# 创建 FastAPI 应用实例
+app = FastAPI(
+    title=settings.PROJECT_NAME,
+    version=settings.VERSION,
+    openapi_url=f"{settings.API_V1_STR}/openapi.json",
+)
+
+# 配置 CORS
+if settings.BACKEND_CORS_ORIGINS:
+    app.add_middleware(
+        CORSMiddleware,
+        allow_origins=[str(origin) for origin in settings.BACKEND_CORS_ORIGINS],
+        allow_credentials=True,
+        allow_methods=["*"],
+        allow_headers=["*"],
+    )
+
+# 注册 API 路由
+app.include_router(api_router, prefix=settings.API_V1_STR)
+
+
+@app.get("/")
+def root():
+    """根路径"""
+    return {
+        "message": "欢迎使用个人博客网站 API",
+        "version": settings.VERSION,
+        "docs": "/docs",
+        "api": settings.API_V1_STR
+    }
+
+
+@app.get("/health")
+def health_check():
+    """健康检查"""
+    return {"status": "ok"}
+