first-update

backend/app/main.py

@@ -0,0 +1,58 @@
+"""
+YG-Dataset Backend Application
+FastAPI-based API server for dataset generation platform
+"""
+
+from contextlib import asynccontextmanager
+from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
+
+from app.api.v1 import api_router
+from app.core.config import settings
+from app.core.database import init_db
+
+
+@asynccontextmanager
+async def lifespan(app: FastAPI):
+    """Application lifespan events"""
+    # Startup
+    await init_db()
+    yield
+    # Shutdown
+    pass
+
+
+app = FastAPI(
+    title="YG-Dataset API",
+    description="Dataset Generation Platform API",
+    version="1.0.0",
+    lifespan=lifespan,
+)
+
+# CORS
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+# Include API routes
+app.include_router(api_router, prefix="/api/v1")
+
+
+@app.get("/health")
+async def health_check():
+    """Health check endpoint"""
+    return {"status": "healthy", "version": "1.0.0"}
+
+
+if __name__ == "__main__":
+    import uvicorn
+    uvicorn.run(
+        "app.main:app",
+        host=settings.HOST,
+        port=settings.PORT,
+        reload=settings.DEBUG,
+    )