24306165c5
Update the docs so that users don't use `echo` when creating
secrets from STDIN. `echo` adds a trailing new line, so users
will probably be confused when their passwords don't work.
Signed-off-by: Joao Fernandes <joao.fernandes@docker.com>
(cherry picked from commit 5238f3e93e)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>