2025-12-19

安装Docker

CentOS 7安装Docker

yum install -y yum-utils
yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
yum install -y docker-ce

systemctl enable --now docker

安装Docker Compose

curl -L "https://github.com/docker/compose/releases/download/v2.29.7/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose

chmod a+x /usr/local/bin/docker-compose
docker-compose version

配置加速镜像

cat > /etc/docker/daemon.json << EOF
{
    "registry-mirrors": [
        "https://registry.cn-shanghai.aliyuncs.com"
    ],
    "insecure-registries": [
        "docker.njito.com"
    ]
}
EOF

systemctl daemon-reload
systemctl restart docker

• insecure-registries：默认情况下，Docker只允许通过https与镜像仓库通信，insecure-registries允许Docker与此项中的镜像仓库使用http或自签名证书进行通信。

docker