Update Dockerfile

Dockerfile

@@ -5,7 +5,8 @@ RUN apt-get update && \
     apt-get install -y --no-install-recommends \
         xz-utils zstd wget && \
     rm -rf /var/lib/apt/lists/*
-
+RUN mkdir -p /app && chown -R 1000:1000 /app
+USER 1000
 # Carpeta de trabajo fija y limpia
 WORKDIR /app