cat >> /etc/security/limits.conf <<EOF
* soft nofile 65535
* hard nofile 65536
EOF
sudo yum remove docker \
docker-client \
docker-client-latest \
docker-common \
docker-latest \
docker-latest-logrotate \
docker-logrotate \
docker-engine
sudo yum install -y yum-utils
sudo yum-config-manager \
--add-repo \
https://download.docker.com/linux/centos/docker-ce.repo
sudo yum install -y docker-ce docker-ce-cli containerd.io
tee /etc/docker/daemon.json <<-'EOF'
{
"insecure-registries": ["http://${registry_ip}:${registry_port}"],
"max-concurrent-downloads": 3,
"max-concurrent-uploads": 5,
"log-driver": "json-file",
"log-opts": {
"max-size": "100m",
"max-file": "3"
}
}
EOF
systemctl daemon-reload && systemctl restart docker
useradd docker -g docker
echo "password@2022" | passwd --stdin docker
chmod 640 /etc/sudoers，增加
> docker ALL=(ALL) ALL
> docker ALL=(ALL) NOPASSWD: ALL
