# 예: Docker 데몬에 Aliyun, Naver Cloud 등의 미러 추가
sudo mkdir -p /etc/docker

cat <<EOF | sudo tee /etc/docker/daemon.json
{
  "registry-mirrors": [
    "https://mirror.gcr.io",
    "https://registry.docker-cn.com",
    "https://hub-mirror.c.163.com"
  ]
}
EOF

# Docker 재시작
sudo systemctl daemon-reload
sudo systemctl restart docker

sudo systemctl disable systemd-resolved
sudo systemctl stop systemd-resolved

sudo rm -f /etc/resolv.conf
sudo bash -c 'echo -e "nameserver 8.8.8.8\nnameserver 1.1.1.1" > /etc/resolv.conf'