Update nexus: fix conflicts and sync local changes
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@@ -1,75 +1,75 @@
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# Immutable Infrastructure
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## Definition
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Immutable Infrastructure is an approach where components are never modified after deployment. Instead of updating existing components, new versions are created and replaced entirely.
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## Concept
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不可变基础设施是一种部署策略,其中服务器和基础设施组件一旦部署就不再修改。任何变更都需要创建新版本并替换整个组件。
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## Core Principles
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### 1. Never Modify Running Systems
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- 不直接在生产环境修改配置
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- 所有变更通过重新部署实现
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- 使用版本化配置和模板
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### 2. Replace, Don't Modify
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- 新版本 = 新环境
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- 旧版本直接销毁
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- 保证一致性
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### 3. Infrastructure as Code
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- 所有基础设施定义代码化
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- 版本控制所有配置
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- 可重复的部署流程
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## Benefits for DevSecOps
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### Security Benefits
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- **减少攻击面**:生产环境无交互式访问
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- **一致性保证**:每个环境完全相同
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- **快速回滚**:发现问题时快速切换
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- **审计简化**:代码即记录
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### Operational Benefits
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- 环境一致性
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- 可预测的部署
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- 简化的故障排除
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- 更容易扩展
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## Implementation Patterns
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### Container-Based Approach
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```
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容器镜像 = 应用 + 依赖 + 配置
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每次变更 → 新镜像版本 → 滚动更新
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```
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### Cloud Infrastructure
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- AWS:使用 AMI + Auto Scaling
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- Kubernetes:使用 Pod 重建
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- Terraform:管理不可变配置
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## Best Practices
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1. **使用标签(Tag)管理版本**
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2. **自动化构建流程**
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3. **保存历史镜像版本**
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4. **实施蓝绿部署或滚动更新**
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5. **监控不可变资源的变更**
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## Related Concepts
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- [[DevSecOps]] — 不可变基础设施是安全架构的重要组成部分
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- [[Policy-as-Code]] — 策略代码化
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- [[Container-Lifecycle-Hardening]] — 容器安全加固
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- [[Blue-Green-Deployment]] — 蓝绿部署模式
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- [[Infrastructure-as-Code]] — 基础设施即代码
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## Tools
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- Packer — 镜像构建工具
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- Terraform — IaC 工具
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- Kubernetes — 容器编排
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- Docker — 容器化
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## Sources
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- [[what-is-devsecops-best-practices-benefits-and-tools]]
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# Immutable Infrastructure
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## Definition
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Immutable Infrastructure is an approach where components are never modified after deployment. Instead of updating existing components, new versions are created and replaced entirely.
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## Concept
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不可变基础设施是一种部署策略,其中服务器和基础设施组件一旦部署就不再修改。任何变更都需要创建新版本并替换整个组件。
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## Core Principles
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### 1. Never Modify Running Systems
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- 不直接在生产环境修改配置
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- 所有变更通过重新部署实现
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- 使用版本化配置和模板
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### 2. Replace, Don't Modify
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- 新版本 = 新环境
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- 旧版本直接销毁
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- 保证一致性
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### 3. Infrastructure as Code
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- 所有基础设施定义代码化
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- 版本控制所有配置
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- 可重复的部署流程
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## Benefits for DevSecOps
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### Security Benefits
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- **减少攻击面**:生产环境无交互式访问
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- **一致性保证**:每个环境完全相同
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- **快速回滚**:发现问题时快速切换
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- **审计简化**:代码即记录
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### Operational Benefits
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- 环境一致性
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- 可预测的部署
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- 简化的故障排除
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- 更容易扩展
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## Implementation Patterns
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### Container-Based Approach
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```
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容器镜像 = 应用 + 依赖 + 配置
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每次变更 → 新镜像版本 → 滚动更新
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```
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### Cloud Infrastructure
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- AWS:使用 AMI + Auto Scaling
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- Kubernetes:使用 Pod 重建
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- Terraform:管理不可变配置
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## Best Practices
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1. **使用标签(Tag)管理版本**
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2. **自动化构建流程**
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3. **保存历史镜像版本**
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4. **实施蓝绿部署或滚动更新**
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5. **监控不可变资源的变更**
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## Related Concepts
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- [[DevSecOps]] — 不可变基础设施是安全架构的重要组成部分
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- [[Policy-as-Code]] — 策略代码化
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- [[Container-Lifecycle-Hardening]] — 容器安全加固
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- [[Blue-Green-Deployment]] — 蓝绿部署模式
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- [[Infrastructure-as-Code]] — 基础设施即代码
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## Tools
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- Packer — 镜像构建工具
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- Terraform — IaC 工具
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- Kubernetes — 容器编排
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- Docker — 容器化
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## Sources
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- [[what-is-devsecops-best-practices-benefits-and-tools]]
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