diff --git a/gateway/Dockerfile b/gateway/Dockerfile
index 6b818b0..1bce422 100644
--- a/gateway/Dockerfile
+++ b/gateway/Dockerfile
@@ -6,5 +6,9 @@ RUN pip install --no-cache-dir -r requirements.txt
 
 COPY main.py .
 
+# Utente non-root con privilegi minimi (best practice container)
+RUN useradd --create-home --uid 10001 appuser
+USER appuser
+
 EXPOSE 8080
 CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8080"]