diff --git a/main.py b/main.py
index 8e687ee..24f98a0 100644
--- a/main.py
+++ b/main.py
@@ -13,9 +13,29 @@ import off
 from db import Base, engine, get_db
 from models import Food, Recipe
 
-Base.metadata.create_all(bind=engine)
+
+def init_db(retries: int = 10):
+    """Crea las tablas, reintentando por si la BD tarda en levantar. No tumba
+    el arranque si falla: /health seguirá respondiendo."""
+    import time
+    for _ in range(retries):
+        try:
+            Base.metadata.create_all(bind=engine)
+            return True
+        except Exception:
+            time.sleep(2)
+    return False
+
+
+# En import: un intento best-effort (crea tablas ya para tests/SQLite).
+init_db(retries=1)
 
 app = FastAPI(title="autoayuno-api")
+
+
+@app.on_event("startup")
+def _startup():
+    init_db()
 app.add_middleware(
     CORSMiddleware,
     allow_origins=["*"],