Distroless requires CMD to be in vector format

Without explicit vector format, CMD / ENTRYPOINT implicitly invokes #!/bin/sh
See: https://docs.docker.com/engine/reference/builder/#cmd

Signed-off-by: Wilson E. Husin <[email protected]>

Author: Wilson E. Husin

Dockerfile

@@ -18,4 +18,4 @@ CMD1
 
 ADD BINARY /sonobuoy
 WORKDIR /
-CMD /sonobuoy aggregator --no-exit -v 3 --logtostderr
+CMD ["/sonobuoy", "aggregator", "--no-exit", "-v", "3", "--logtostderr"]