Docker hub proxy with nginx revers

Hello, I’m trying to configure docker hub proxy.
What i’ve done:
create docker proxy
create repo connector http at port 8888
on nginx create server listen ssl at port 8443
attach certs

and what i’ve got:
search work perfect
but when I’m trying to install something i’ve got this:

[root@master]# docker pull
Using default tag: latest
Trying to pull repository ...
Get Get dial tcp ip:443: connect: no route to host

so i’ve got strange request to obtain token on 443. and i cant understand why.
Cos same url but on right port gives token correctly
Any help?

Sonatype Nexus Repository ManagerOSS 3.22.1-02 (docker)