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+---
+title: "Declarative Configuration"
+type: concept
+tags: [DevOps, GitOps, 配置管理]
+sources: [ctp-topic-33-an-introduction-to-gitops.md]
+last_updated: 2026-04-19
+---
+
+## Definition
+Declarative Configuration（声明式配置）是一种配置管理方法，通过描述系统的期望状态（what）而非具体步骤（how）来定义基础设施和应用配置。
+
+## Key Characteristics
+- 定义期望的结果状态，而非实现步骤
+- 工具负责计算如何达到期望状态
+- 幂等性：多次应用产生相同结果
+- 易于理解和版本控制
+
+## Examples
+- Kubernetes YAML 配置
+- Terraform HCL 配置
+- Docker Compose 配置
+- Ansible Playbook
+
+## Related Concepts
+- [[Infrastructure as Code (IaC)]]
+- [[GitOps]]
+- [[Idempotent Operation]]（幂等操作）
+
+## Related Sources
+- [[ctp-topic-33-an-introduction-to-gitops]] — GitOps 入门介绍