diff --git a/Dockerfile b/Dockerfile
index 0fd32ee..156d878 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,11 @@
 FROM alpine:latest
 
-RUN apk add --no-cache kubectl gpg
+ARG USER="user"
+
+RUN apk add --no-cache kubectl gpg && \
+    addgroup $USER && \
+    adduser -G $USER -D $USER
+
+USER $USER
+