add helm

Dockerfile

@@ -4,7 +4,7 @@ ARG USER="user"
 
 RUN \
     echo "@testing https://dl-cdn.alpinelinux.org/alpine/edge/testing" >> /etc/apk/repositories && \
-    apk add --no-cache kubectl gpg gpg-agent bash trivy@testing curl && \
+    apk add --no-cache kubectl gpg gpg-agent bash trivy@testing curl helm && \
     addgroup $USER && \
     adduser -G $USER -D $USER