deb https://mirrors.huaweicloud.com/ubuntu-ports/ bionic main multiverse restricted universe
deb https://mirrors.huaweicloud.com/ubuntu-ports/ bionic-updates main multiverse restricted universe
deb https://mirrors.huaweicloud.com/ubuntu-ports/ bionic-security main multiverse restricted universe
deb https://mirrors.tuna.tsinghua.edu.cn/docker-ce/linux/ubuntu/ bionic stable