diff --git a/app/main.py b/app/main.py
new file mode 100644
index 0000000..37425b0
--- /dev/null
+++ b/app/main.py
@@ -0,0 +1,23 @@
+from fastapi import FastAPI
+from fastapi.responses import JSONResponse
+
+from app.config import settings
+from app.database import engine, Base
+from app.routers import categories, products, stock
+
+Base.metadata.create_all(bind=engine)
+
+app = FastAPI(
+    title="API Inventario",
+    description="Microservicio para gestionar inventario",
+    version="1.0.0",
+)
+
+app.include_router(categories.router, prefix=f"/api/{settings.API_VERSION}", tags=["Categories"])
+app.include_router(products.router, prefix=f"/api/{settings.API_VERSION}", tags=["Products"])
+app.include_router(stock.router, prefix=f"/api/{settings.API_VERSION}", tags=["Stock"])
+
+
+@app.get("/health")
+def health():
+    return JSONResponse({"status": "ok"})