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AWS CDK 和 AWS SAM 有什么区别？

并排比较 AWS CDK 和 AWS SAM — 功能、定价和理想使用场景，以帮助您选择正确的产品。

并排比较

比较
AWS CDK
AWS SAM
类别

开发人员工具，基础设施即代码

无服务器、框架
说明

用于对云资源进行建模的基础设施即代码框架

用于构建无服务器应用程序的开源框架，提供用于定义函数、API 和事件源的简写语法。
最适用于
  • 基础设施即代码
  • 应用程序支架
  • 可重复使用的构造
  • 多栈部署
  • 无服务器开发
  • 本地测试
  • 适用于无服务器的 CI/CD
  • 基础设施即代码
主要功能
  • 多种语言
  • 构造库
  • CDK 管道
  • 资产捆绑
  • 测试支持
  • SAM CLI
  • 本地测试
  • CloudFormation 扩展
  • 策略模板
  • 加速部署
定价模式

不收取额外费用；为创建的资源付费

不收取额外费用；支付基础资源费用
免费套餐

是

是
专家点评

“CDK 允许开发人员使用与他们的应用程序相同的语言定义基础设施，同时提供 IDE 自动补全与类型安全能力‌。默认情况下，L2 和 L3 构造对 AWS 最佳实践（加密、日志记录、最低权限）进行编码。CDK 管道构建自突变的 CI/CD，以部署应用程序和基础设施的更改。”
— Gary McLean，re:Post 杰出贡献者 [个人资料]

“SAM 使用特定于无服务器的简写扩展了 CloudFormation。单个 SAM 函数定义生成 Lambda 函数、IAM 角色、API 网关端点和事件源。”
— Giovanni Lauria，re:Post 顶级贡献者 [个人资料]
产品页面

了解有关 AWS CDK 的更多信息 »

了解有关 AWS SAM 的更多信息 »

何时使用 AWS CDK 或 AWS SAM

在以下情况下使用 AWS CDK：

  • 基础设施即代码
  • 应用程序支架
  • 可重复使用的构造
  • 多栈部署

了解有关 AWS CDK 的更多信息 »

在以下情况下使用 AWS SAM：

  • 无服务器开发
  • 本地测试
  • 适用于无服务器的 CI/CD
  • 基础设施即代码

了解有关 AWS SAM 的更多信息 »

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What's the difference between Amazon ElastiCache and Amazon MemoryDB?

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What's the difference between Amazon Aurora and Amazon RDS?

Both are fully managed relational database services on AWS, but Aurora is a cloud-native engine built for higher performance and availability, while RDS gives you familiar open-source and commercial engines with less operational overhead than self-managed.
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