REBUILD shipyard/docker-proxy

why

$ docker pull shipyard/docker-proxy

Using default tag: latest
latest: Pulling from shipyard/docker-proxy
Image docker.io/shipyard/docker-proxy:latest uses outdated schema1 manifest format. Please upgrade to a schema2 image for better future compatibility. More information at https://docs.docker.com/registry/spec/deprecated-schema-v1/
8f4ec95ceaee: Already exists
ac77a345f217: Already exists
43039e3ef672: Already exists
a3ed95caeb02: Already exists
Digest: sha256:da6bbd1a145581a940d44940cce0f43705d7f8ec552a4e97e77104ec1b6dc3d1
Status: Image is up to date for shipyard/docker-proxy:latest
docker.io/shipyard/docker-proxy:latest