ERROR: for orderer.example.com Cannot create container for service orderer.example.com: Conflict. The container name “/orderer.example.com” is already in use by container “e69fceb5ea2493b9219f5d702e82dd2d606e19c70855b44ad8848596f25756d4”. You have to remove (or rename) that container to be able to reuse that name.
ERROR: Encountered errors while bringing up the project.
解决方法：
两行命令
1.停用docker容器
2.删除docker 容器
docker stop $(docker ps -q)
docker rm $(docker ps -aq)