CDK API Gateway setting for path based caching

aws-blog-stack.ts

// integrate the lambda to the method - GET /blogs
blogs.addMethod(
  "GET",
  new apigw.LambdaIntegration(listBlogsHandler, {
    proxy: true,
    allowTestInvoke: true,
  })
);

// integrate the lambda to the method - GET /blog/{id}
const blog: apigw.Resource = blogs.addResource("{id}");
blog.addMethod(
  "GET",
  new apigw.LambdaIntegration(getBlogHandler, {
    proxy: true,
    allowTestInvoke: true,
    // ensure that our caching is done on the id path parameter
    cacheKeyParameters: ["method.request.path.id"],
    cacheNamespace: "blogId",
    requestParameters: {
      "integration.request.path.id": "method.request.path.id",
    },
  }),
  {
    requestParameters: {
      "method.request.path.id": true,
    },
  }
);