best for not getting 403

Worked well in local

{
  "registry-mirrors": ["https://docker.arvancloud.ir"]
}

Worked but it is so slow

{
  "registry-mirrors": ["https://docker.iranserver.com"]
}

Arvan IranServer

others (not worked last time)

Bardia Docker.ir Docker Iran Docker Me

other public registries like github and redhat

Ref

docker-mirror

This project will copy public DockerHub, Quay or GCR repositories to a private registry. Ref