FromAsCasing: 'as' and 'FROM' keywords' casing do not match More info: https://docs.docker.com/go/dockerfile/rule/from-as-casing/

InvalidDefaultArgInFrom: Default value for ARG ${UPSTREAM_IMAGE}@${UPSTREAM_DIGEST_AMD64} results in empty or invalid base image name More info: https://docs.docker.com/go/dockerfile/rule/invalid-default-arg-in-from/

InvalidDefaultArgInFrom: Default value for ARG ${UPSTREAM_IMAGE}@${UPSTREAM_DIGEST_AMD64} results in empty or invalid base image name More info: https://docs.docker.com/go/dockerfile/rule/invalid-default-arg-in-from/