Building tf-dev-env image: tf-dev-sandbox:sandbox-master-2_1_0_9-1-r24.1-centos DEPRECATED: The legacy builder is deprecated and will be removed in a future release. Install the buildx component to build images with BuildKit: https://docs.docker.com/go/buildx/ Sending build context to Docker daemon 47.1kB Step 1/19 : ARG LINUX_DISTR=centos Step 2/19 : ARG LINUX_DISTR_VER=7 Step 3/19 : FROM $LINUX_DISTR:$LINUX_DISTR_VER manifest for centos:9 not found: manifest unknown: manifest unknown