List private registries
convox registries
$ convox registries
SERVER USERNAME
123456789012.dkr.ecr.us-east-1.amazonaws.com AKIAABCDE1F2GHIJKLMN
private.registry.com my_private_name
https://index.docker.io/v1/ my_docker_name
quay.io my_quay_name
Add a private registry
convox registries add <server> <username> <password>
$ convox registries add 123456789012.dkr.ecr.us-east-1.amazonaws.com AKIAABCDE1F2GHIJKLMN l0nG+4nD/c0mpl3X+p455w0RD
Adding registry... OK
Remove private registry
convox registries remove <server>
$ convox registries remove 123456789012.dkr.ecr.us-east-1.amazonaws.com
Removing registry... OK