引言
随着云计算和容器技术的快速发展，Docker 已经成为企业级应用部署和运维的重要工具。私有云作为企业内部数据中心的解决方案，可以为企业提供安全、高效、可扩展的计算资源。本文将详细介绍如何使用 Docker 构建企业级容器化私有云。
一、准备工作
在开始构建 Docker 私有云之前，请确保以下准备工作已经完成：
服务器硬件
：至少一台服务器，推荐配置如下：
CPU：至少 2 核
内存：至少 4GB
硬盘：至少 100GB
操作系统
：CentOS 7 或更高版本
网络
：确保网络连通性良好，公网 IP 可选
Docker
：安装 Docker Engine
二、安装 Docker Engine
安装依赖
：在服务器上安装以下依赖：
sudo yum install -y yum-utils device-mapper-persistent-data lvm2
添加 Docker 仓库
：
sudo yum-config-manager –add-repo https://download.docker.com/linux/centos/docker-ce.repo
安装 Docker
：
sudo yum install -y docker-ce docker-ce-cli containerd.io
启动 Docker
：
sudo systemctl start docker
验证安装
：
docker –version
三、安装私有仓库
安装 Harbor
：Harbor 是一个企业级的 Docker 镜像仓库，支持多云和混合云环境。
”`shell
下载 Harbor 安装包
sudo yum install -y harbor-offline-installer
解压安装包
sudo tar -xzvf harbor-offline-installer-v2.3.0.tgz -C /opt
进入 Harbor 目录
cd /opt/harbor
编辑配置文件
sudo vi harbor.yml
修改以下配置项：
hostname: <你的域名或 IP 地址>
http_port: <你的 Harbor 端口号>
harbor_admin_password: <自定义 Harbor 管理员密码>
data_dir: /data/harbor
log_level: info
log_rotate: 30
log_rotate_max: 10
log_max_size: 10M
log retention: 30
https: true
https_cert: /path/to/cert.pem
https_key: /path/to/key.pem
external_url: https://<你的域名或 IP 地址>:<你的 Harbor 端口号>
clair: true
clair_index_url:
https://clair.example.com
clair_api_url:
https://clair.example.com/api/v1
clair_notification_url: https://<你的域名或 IP 地址>:<你的 Harbor 端口号>/api/v1/notices
clair_upstream_vuln:
https://clair.example.com
clair_upstream_vuln_token: <你的 Clair Token>
notary: false
notary_server:
https://notary.example.com
notary_signer: <你的签名者>
notary_signer_ca: /path/to/ca.pem
notary_public: /path/to/public.pem
trivy: false
trivy_index_url:
https://trivy.example.com
trivy_api_url:
https://trivy.example.com/api/v1
trivy_notification_url: https://<你的域名或 IP 地址>:<你的 Harbor 端口号>/api/v1/notices
trivy_upstream_vuln:
https://trivy.example.com
trivy_upstream_vuln_token: <你的 Trivy Token>
project_creation_restriction: adminonly
user大规模限制: adminonly
user_password_salt: <你的密码盐>
user_password_hash: <你的密码哈希>
notification:
send_email: false
smtp_server: <你的 SMTP 服务器>
smtp_port: <你的 SMTP 端口号>
smtp_user: <你的 SMTP 用户名>
smtp_password: <你的 SMTP 密码>
smtp_from: <你的发件人地址>
smtp_timeout: 10
log retention: 30
log retention in days: 30
log retention in bytes: 1000
log retention in files: 10
log retention in size: 10M
log retention in time: 30
log retention in volume: 10
log retention in type: file
log retention in version: 1
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