作者回复: # docker pull golang:1.21-alpine 1.21-alpine: Pulling from library/golang c6a83fedfae6: Already exists 41db7493d1c6: Already exists 54bf7053e2d9: Already exists 4579008f8500: Already exists 4f4fb700ef54: Already exists Digest: sha256:2414035b086e3c42b99654c8b26e6f5b1b1598080d65fd03c7f499552ff4dc94 Status: Downloaded newer image for golang:1.21-alpine docker.io/library/golang:1.21-alpine https://hub.docker.com/_/golang