As DockerHub has recently changed its download rate restrictions policy, you may have experienced errors while building StarlingX, similar to:
"You have reached your pull rate limit. You may increase the limit by authenticating and upgrading:
https://www.docker.com/increase-rate-limit"
While the build team is pondering a permanent solution, there are a few steps you can take that *may* alleviate this problem, depending on the network configuration of your build environment: