Init.

backend/app/main.py

@@ -0,0 +1,47 @@
+from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
+from contextlib import asynccontextmanager
+from app.database import init_db
+from app.routers import auth, users, wallet, bets, websocket
+
+
+@asynccontextmanager
+async def lifespan(app: FastAPI):
+    # Startup
+    await init_db()
+    yield
+    # Shutdown
+
+
+app = FastAPI(
+    title="H2H Betting Platform API",
+    description="Peer-to-peer betting platform MVP",
+    version="1.0.0",
+    lifespan=lifespan
+)
+
+# CORS middleware
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+# Include routers
+app.include_router(auth.router)
+app.include_router(users.router)
+app.include_router(wallet.router)
+app.include_router(bets.router)
+app.include_router(websocket.router)
+
+
+@app.get("/")
+async def root():
+    return {"message": "H2H Betting Platform API", "version": "1.0.0"}
+
+
+@app.get("/health")
+async def health():
+    return {"status": "healthy"}