后端初始化结构

web/ws/backend/app/main.py

@@ -0,0 +1,43 @@
+"""
+FastAPI 应用入口
+"""
+from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
+from app.core.config import settings
+from app.api.v1.router import api_router
+
+app = FastAPI(
+    title=settings.PROJECT_NAME,
+    version=settings.VERSION,
+    description="PBMDB (Plant Beneficial Microbe Database) API",
+    docs_url="/docs",
+    redoc_url="/redoc",
+)
+
+# CORS 配置
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=settings.ALLOWED_ORIGINS,
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+# 注册路由
+app.include_router(api_router, prefix="/api/v1")
+
+
+@app.get("/")
+async def root():
+    """健康检查端点"""
+    return {
+        "status": "ok",
+        "message": "PBMDB API is running",
+        "version": settings.VERSION
+    }
+
+
+@app.get("/health")
+async def health_check():
+    """健康检查"""
+    return {"status": "healthy"}