Yes, we support pulling images from a private repository in Docker Hub. Follow our Docker Hub integration guide to link your Release account with your private registry and pull images during the build process.
429 Too Many Requests - Server message: toomanyrequests: You have reached your
pull rate limit. You may increase the limit by authenticating and upgrading
If you see this error, you need to go to the Integrations tab and add your Docker Hub credentials to allow more pulls from Release. Unauthenticated requests to Docker Hub are limited and if your application is busy, you may need to upgrade to a paid Docker account to increase the number of builds allowed per hour.