Lambda(Serverless Framework) + DynamoDB Accelerator(DAX): App can not connect - aws-lambda

Question

i created my app using AWS(API Gateway/Lambda/DynamoDB).
but loading speed of the app is too late.
so, i want to improve the loading speed using DynamoDB DAX(cache).
serverless.yml
service: myapp
frameworkVersion: '2.31'
provider:
name: aws
runtime: nodejs14.x
lambdaHashingVersion: 20201221
stage: $opt:stage
region: us-east-1
iamRoleStatements:
- Effect: Allow
Action:
- dax:*
Resource: '*'
- Effect: Allow
Action:
- dynamodb:Query
- dynamodb:Scan
- dynamodb:GetItem
- dynamodb:PutItem
- dynamodb:UpdateItem
- dynamodb:DeleteItem
Resource: '*'
vpc:
securityGroupIds:
- !GetAtt daxSecurityGroup.GroupId
subnetIds:
- !Ref daxSubnet
functions:
graphql:
handler: ./build/src/app.handler
events:
- http:
path: graphql
method: ANY
environment:
DAX_ENDPOINT: !GetAtt daxCluster.ClusterDiscoveryEndpoint
vpc:
securityGroupIds:
- !GetAtt daxSecurityGroup.GroupId
subnetIds:
- !Ref daxSubnet
resources:
Resources:
daxCluster:
Type: AWS::DAX::Cluster
Properties:
ClusterName: dax-cluster
IAMRoleARN: !GetAtt daxRole.Arn
NodeType: dax.t2.small
ReplicationFactor: 1
SecurityGroupIds:
- !GetAtt daxSecurityGroup.GroupId
SubnetGroupName: !Ref daxSubnetGroup
daxRole:
Type: AWS::IAM::Role
Properties:
AssumeRolePolicyDocument:
Statement:
- Action:
- sts:AssumeRole
Effect: Allow
Principal:
Service:
- dax.amazonaws.com
Version: '2012-10-17'
RoleName: dax-role
ManagedPolicyArns:
- arn:aws:iam::aws:policy/AmazonDynamoDBFullAccess
daxSecurityGroup:
Type: AWS::EC2::SecurityGroup
Properties:
GroupDescription: Security Group for Dax
GroupName: dax-security-group
VpcId: !Ref daxVpc
daxSecurityGroupIngress:
Type: AWS::EC2::SecurityGroupIngress
DependsOn: daxSecurityGroup
Properties:
GroupId: !GetAtt daxSecurityGroup.GroupId
IpProtocol: tcp
FromPort: 8111
ToPort: 8111
SourceSecurityGroupId: !GetAtt daxSecurityGroup.GroupId
daxVpc:
Type: AWS::EC2::VPC
Properties:
CidrBlock: 10.0.0.0/16
EnableDnsHostnames: true
EnableDnsSupport: true
InstanceTenancy: default
Tags:
- Key: Name
Value: dax-cluster
daxSubnet:
Type: AWS::EC2::Subnet
Properties:
AvailabilityZone:
Fn::Select:
- 0
- Fn::GetAZs: ''
CidrBlock: 10.0.0.0/20
Tags:
- Key: Name
Value: dax-cluster
VpcId: !Ref daxVpc
daxSubnetGroup:
Type: AWS::DAX::SubnetGroup
Properties:
Description: Subnet group for DAX
SubnetGroupName: dax-subnet-group
SubnetIds:
- !Ref daxSubnet
MyTable:
Type: AWS::DynamoDB::Table
Properties:
TableName: ${self:provider.stage}_table
AttributeDefinitions:
- AttributeName: id
AttributeType: S
KeySchema:
- AttributeName: id
KeyType: HASH
ProvisionedThroughput:
ReadCapacityUnits: 1
WriteCapacityUnits: 1
PointInTimeRecoverySpecification:
PointInTimeRecoveryEnabled: true
app.ts
import { DynamoDB } from "aws-sdk";
import AmazonDaxClient from "amazon-dax-client";
export default async() {
...
const endpoint = process.env.DAX_ENDPOINT as string;
const config = { ... }
const dax: any = new AmazonDaxClient({endpoints: [endpoint], region: 'us-east-1'});
const dynamodb = new DynamoDB.DocumentClient({...config, service: dax});
await dynamodb.transactWrite({
TransactItems: [
{
Delete: {
TableName: 'development_table',
Key: {
id: args.id,
createdAt: createdAt
}
}
},
],
}).promise();
return ( ... )
}
My App can not connect to API Gateway.(Timeout)
Please help me, That's very kind of you.
i tried...
serverless.yml
...
functions:
graphql:
handler: ./build/src/app.handler
events:
- httpApi:
path: /{id+}
method: GET
- httpApi:
path: /
method: POST
...
But, App can not connect.
i referred to AWS blog
package
"#types/amazon-dax-client": "^1.2.3",
"amazon-dax-client": "^1.2.9",