# node212 上执行
docker exec -it rabbitmq /bin/sh -c "rabbitmqctl stop_app && rabbitmqctl join_cluster rabbit@node211 && rabbitmqctl start_app"

# node213 上执行
# docker exec -it rabbitmq /bin/sh -c "rabbitmqctl stop_app && rabbitmqctl join_cluster rabbit@node211 && rabbitmqctl start_app"

# 查看集群状态
docker exec -it rabbitmq rabbitmqctl cluster_status