unknown flag: --format See 'docker buildx --help'. Usage: docker buildx [OPTIONS] COMMAND Extended build capabilities with BuildKit Options: --builder string Override the configured builder instance Management Commands: imagetools Commands to work on images in registry Commands: bake Build from a file build Start a build create Create a new builder instance dial-stdio Proxy current stdio streams to builder instance du Disk usage inspect Inspect current builder instance ls List builder instances prune Remove build cache rm Remove one or more builder instances stop Stop builder instance use Set the current builder instance version Show buildx version information Run 'docker buildx COMMAND --help' for more information on a command.