根据过去几年发生的重大变化，本书对示例和内容做了全面修订。本书作者新增了一章，是关于讨论Docker Compose的，此外还深入探讨了Docker Swarm模式，介绍了Kubernetes和AWS Fargate，并给出了优化Docker映像的方法。本书的主要内容有：学习如何使用Docker简化依赖管理和应用的部署流程。着手使用Docke映像、容器和命令行工具。使用实用的技术在生产环境中部署和测试Docker容器。理解容器的组成和内部机理，便于调试。在数据中心或云环境中大规模部署容器。探讨一些Docker高级话题，包括部署工具、网络、编排、安全和配置。

序 ..................................................................................1 前言 ...............................................................................3 第1 章 引言 ................................................................. 11 1.1 Docker 带来的希望 .......................................................................................... 11 1.2 Docker 不是什么..............................................................................................15 1.3 重要的术语 ......................................................................................................17 1.4 小结 .................................................................................................................17 第2 章 Docker 概览 ...................................................... 18 2.1 简化流程 ..........................................................................................................18 2.2 广泛支持和采用 ..............................................................................................21 2.3 架构 .................................................................................................................23 2.4 充分理解Docker..............................................................................................29 2.5 Docker 式工作流程 ..........................................................................................33 2.6 小结 .................................................................................................................40 第3 章 安装Docker ...................................................... 41 3.1 安装Docker 客户端 .........................................................................................42 3.2 安装Docker 服务器 .........................................................................................46 3.3 测试安装Docker..............................................................................................56 3.4 探索Docker 服务器 .........................................................................................57 3.5 小结 .................................................................................................................59 第4 章 使用Docker 映像 .............................................. 61 4.1 剖析Dockerfile 文件 .......................................................................................62 4.2 构建映像 ..........................................................................................................65 4.3 诊断构建问题 ..................................................................................................68 4.4 运行映像 ..........................................................................................................71 4.5 定制基础映像 ..................................................................................................73 4.6 存储映像 ..........................................................................................................73 4.7 高级构建技术 ..................................................................................................84 4.8 小结 .................................................................................................................98 第5 章 使用Docker 容器 .............................................. 99 5.1 容器是什么？ ..................................................................................................99 5.2 创建容器 ........................................................................................................102 5.3 启动容器 ........................................................................................................ 119 5.4 自动重启容器 ................................................................................................120 5.5 停止容器 ........................................................................................................121 5.6 终止容器 ........................................................................................................122 5.7 暂停和恢复容器 ............................................................................................123 5.8 清理容器和映像 ............................................................................................124 5.9 Windows 容器 ................................................................................................127 5.10 小结 .............................................................................................................129 第6 章 探索Docker 的其他功能 .................................. 130 6.1 打印Docker 的版本号 ...................................................................................131 6.2 服务器信息 ....................................................................................................132 6.3 下载映像更新 ................................................................................................133 6.4 审查容器 ........................................................................................................134 6.5 在shell 中探索...............................................................................................136 6.6 返回结果 ........................................................................................................137 6.7 进入运行中的容器 .........................................................................................139 6.8 处理日志 ........................................................................................................145 6.9 监控Docker ...................................................................................................151 6.10 Prometheus 监控系统 ...................................................................................164 6.11 继续探索 ......................................................................................................168 6.12 小结 .............................................................................................................168 第7 章 调试容器 ......................................................... 169 7.1 列出进程 ........................................................................................................170 7.2 审查进程 ........................................................................................................174 7.3 管理进程 ........................................................................................................175 7.4 审查网络 ........................................................................................................178 7.5 查看映像历史 ................................................................................................181 7.6 审查容器 ........................................................................................................182 7.7 审查文件系统 ................................................................................................183 7.8 小结 ...............................................................................................................184 第8 章 探索Docker Compose .................................... 185 8.1 配置Docker Compose ....................................................................................186 8.2 启动服务 ........................................................................................................193 8.3 探索RocketChat ............................................................................................195 8.4 Docker Compose 命令 ....................................................................................205 8.5 小结 ...............................................................................................................207 第9 章 在生产环境中部署容器 .................................... 208 9.1 部署到生产环境 ............................................................................................208 9.2 Docker 在生产环境中扮演的角色 .................................................................209 9.3 Docker 和DevOps 流水作业 .........................................................................219 9.4 小结 ...............................................................................................................224 第10 章 大规模使用Docker ........................................ 225 10.1 Centurion .....................................................................................................226 10.2 Docker Swarm 模式 .....................................................................................232 10.3 Amazon ECS 和Fargate ...............................................................................242 10.4 Kubernetes ...................................................................................................256 10.5 小结 .............................................................................................................276 第11 章 高级主题 ....................................................... 278 11.1 容器详解 ......................................................................................................278 11.2 安全性 ..........................................................................................................288 11.3 高级配置 ......................................................................................................302 11.4 存储后端 ......................................................................................................309 11.5 Docker 的结构 .............................................................................................313 11.6 替换运行时 ..................................................................................................317 11.7 小结 .............................................................................................................323 第12 章 容器平台设计 ................................................ 324 12.1 应用的十二要素 ...........................................................................................325 12.2 响应式宣言 ..................................................................................................334 12.3 小结 .............................................................................................................335 第13 章 总结 ............................................................. 336 13.1 Docker 解决的问题 ......................................................................................336 13.2 Docker 式工作流程 ......................................................................................337 13.3 简化用于部署的构建产物 ............................................................................338 13.4 使用最佳方式存储和获取映像 ....................................................................338 13.5 回报 .............................................................................................................339 13.6 结语 .............................................................................................................340

Sean P. Kane是New Relic公司的首席网站可靠性工程师，长期从事生产运维，有很多不同的头衔，在很多行业中工作过。 Karl Matthias是InVision公司的云平台服务经理，他做过开发者、分布式系统架构师、系统管理员和网络工程师，在初创公司和财富500强大企业都能见到他的身影。