diff --git a/services/api_gateway/main.py b/services/api_gateway/main.py
index ec11e0e..f8e75e4 100644
--- a/services/api_gateway/main.py
+++ b/services/api_gateway/main.py
@@ -117,3 +117,14 @@ def create_app(config: ApiGatewayConfig | None = None) -> FastAPI:
 def get_app() -> FastAPI:
     """Lazy app factory for uvicorn: ``uvicorn services.api_gateway.main:get_app --factory``."""
     return create_app()
+
+
+if __name__ == "__main__":
+    import uvicorn
+
+    uvicorn.run(
+        "services.api_gateway.main:get_app",
+        factory=True,
+        host="0.0.0.0",
+        port=8000,
+    )