'How do you left align a printf on Docker format

I am trying to align a set of docker service ps calls together using printf but it seems to align things on the right when I use printf

for service in $(command docker service ls --format "{{.Name}}")
do
  command docker service ps \
    --format "table {{ .Name | printf \"%20.20s\" }}\t{{ .Image | printf \"%40.40s\" }}\t{{ .Node | printf \"%20.20s\" }}\t{{.CurrentState}}\t{{.Error}}" \
    $service
done

How do I make the printf left align?

docker go go-templates

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'How do you left align a printf on Docker format

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