Using --insecure is (you guessed it) *insecure* as the server side
certificate is not being validated. To offer the same degree of
security as invocations of the docker client in "Secure by default"
with cURL, the trusted CA certificate must be supplied.
Signed-off-by: Lorenz Leutgeb <lorenz.leutgeb@gmail.com>
Upstream-commit: 26187bd851141236a909c0bada5a2743fc237e0e
Component: engine