Instale o docker no ambiente Ubuntu

1. Meio Ambiente

Ubuntu 22.04 x86

2. Configuração básica

# 更新系统
apt update
apt upgrade
# 创建docker目录（可选）
mkdir -p /data/docker

3. Adicionar fonte do Docker

# 添加Docker官方的GPG密钥
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
# 设置stable存储库
add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
# 更新apt
apt update

4. Instale a janela de encaixe

# 安装最新版本docker
apt install -y docker-ce docker-ce-cli containerd.io

# 安装指定版本docker
# 先查询源中包含的版本
apt-cache madison docker-ce
# 安装可选指定版本，例如安装20.10.24版本
# apt install -y docker-ce=<VERSION_STRING> docker-ce-cli=<VERSION_STRING> containerd.io
apt install -y docker-ce=5:20.10.24~3-0~ubuntu-jammy docker-ce-cli=5:20.10.24~3-0~ubuntu-jammy containerd.io

5. Otimização da configuração do Docker

cd /etc/docker
cat >> /etc/docker/daemon.json << EOF
{
    "registry-mirrors": ["http://hub-mirror.c.163.com"],
    "data-root":"/data/docker"
}
EOF

# 重启docker
systemctl restart docker
# 删除docker默认目录
cd /var/lib
rm -rf docker
# 查询docker信息
docker info