GitOps是把基础设施与应用配置的唯一事实源交给Git仓库、通过声明式描述与自动化同步实现持续收敛的运维范式，核心是版本化配置与自动调谐，能力包括仓库即事实源、声明式清单与同步代理。它解决的是生产环境变更无记录、回滚靠手工的问题，并不解决应用本身的缺陷与容量不足的问题。
GitOps的核心是版本化与自动收敛，它可以帮助企业实现以下目标：
让生产变更全部留下版本记录。任何一次改动都以提交形式存在于仓库，可逐条审阅与追责。配置以声明式清单描述而非命令式脚本，清单可以被人阅读、被工具校验、被版本比较，这是可回滚性的前提。
让期望状态写在文件里而非散落在控制台。声明式清单成为唯一的配置来源，避免手工操作造成状态漂移。同步代理通常以控制器形式常驻集群，持续比对实际状态与期望状态，差异修正通过幂等操作完成，重复执行不会造成副作用。
让实际状态自动向期望状态收敛。同步代理持续检测偏差并执行修正，配置漂移不会长期存在。
让回退变成一次提交操作。把清单回退到上一个版本即完成恢复，无需依赖备份脚本。仓库的访问权限本身就是一道审计边界，谁能合并到主分支即决定了谁能改变生产环境，这项约束比事后审计更有效。
总之，GitOps可以帮助企业实现运维方式从控制台手工操作到声明式版本化管理的转变，提高生产变更的可追溯性与可回滚性，减少配置漂移与人为事故，让运维流程与研发流程共用同一套工程方法。
翻译
GitOps is the combination of using a Git repository as the single source of truth for infrastructure and application configuration with declarative description and automated synchronization to achieve continuous convergence. Its core is versioned configuration and automatic reconciliation, with capabilities covering repository-as-truth, declarative manifests and sync agents. It solves the problems of production changes leaving no record and of rollback relying on manual procedures, but it does not solve the problems of application defects and insufficient capacity.
At the heart of GitOps is versioning and automatic convergence, which can help companies achieve the following:
Leave every production change in version history. Any modification exists as a commit in the repository, available for line-by-line review and accountability.
Write desired state in files rather than scattered consoles. Declarative manifests become the only configuration source, preventing drift caused by manual operations.
Let actual state converge on desired state automatically. Sync agents continuously detect deviations and apply corrections, so configuration drift does not persist.
Make rollback a single commit operation. Reverting the manifest to a previous version completes recovery, without relying on backup scripts.
In short, GitOps can help enterprises shift operations from manual console actions to declarative version-based management, improve traceability and reversibility of production changes, reduce configuration drift and human-caused incidents, and let operations share the same engineering method as development.
