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‎.gitignore‎

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!jest.config.js
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node_modules
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invoke.sh
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# CDK asset staging directory
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.cdk.staging
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cdk.out
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config.ts
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cdk-infra.json
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config.ts
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#App
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app/web/.env

‎README.md‎

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# Graph Application using Amazon Neptune
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## Architecture overview
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![Archiecture overview](./docs/images/architecture.png)
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## Prerequisites
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- Node.js >= 18.19.0
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- An AWS Account
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- AWS CLI
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- AWS CDK CLI
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- Configuration and credential file settings
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- See [the doc](https://docs.aws.amazon.com/cli/latest/userguide/cli-configure-files.html) in detail
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- Docker
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const baseConfig = {
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appName: "graphApp",
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region: "us-east-1",
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buildApiWithCDK: true,
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adminEmail: "[email protected]",
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allowedIps: [],
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wafParamName: "graphAppWafWebACLID",
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## Useful commands
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- `npm run deployInfra`
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- `npm run deployBackend`
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- Deploy the infrastructure stack with AWS CDK
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- `npm run deployFrontend`
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- Deploy the frontend stack with AWS CDK
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- `npm run destroyInfra`
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- `npm run destroyBackend`
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- Destroy the infrastructure stack with AWS CDK
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- `npm run destroyFrontend`
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- Destroy the frontend stack with AWS CDK

‎api/lambda/mutationGraph.ts‎

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@@ -29,7 +29,7 @@ export const handler: Handler = async (event) => {
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mimeType: "application/vnd.gremlin-v2.0+json",
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headers: headers,
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});
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c._client._connection.on("close", (code: number, message: string) => {
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c._client._connection.on("close", (code, message) => {
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console.info(`close - ${code} ${message}`);
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if (code == 1006) {
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console.error("Connection closed prematurely");

‎api/lambda/queryGraph.ts‎

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mimeType: "application/vnd.gremlin-v2.0+json",
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headers: headers,
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});
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c._client._connection.on("close", (code: number, message: string) => {
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c._client._connection.on("close", (code, message) => {
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console.info(`close - ${code} ${message}`);
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if (code == 1006) {
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console.error("Connection closed prematurely");

‎bin/backend.ts‎

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account: process.env.CDK_DEFAULT_ACCOUNT,
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region: deployConfig.region || process.env.CDK_DEFAULT_REGION,
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};
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const { buildApiWithCDK } = deployConfig;
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const neptuneNetwork = new NeptuneNetworkStack(
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app,
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`${appName}-NeptuneNetworkStack`,
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);
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new ApiStack(app, `${appName}-ApiStack`, {
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buildApiWithCDK,
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cognito: {
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adminEmail: deployConfig.adminEmail,
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},
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env,
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});
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if (buildApiWithCDK) {
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new WafCloudFrontStack(app, `${appName}-WafStack`, {
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allowedIps: [],
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wafParamName: deployConfig.wafParamName,
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env: {
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...env,
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region: "us-east-1",
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},
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});
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}
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new WafCloudFrontStack(app, `${appName}-WafStack`, {
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allowedIps: deployConfig.allowedIps,
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wafParamName: deployConfig.wafParamName,
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env: {
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...env,
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region: "us-east-1",
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},
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});

‎cdk.context.json‎

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"us-east-1f"
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],
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"ssm:account=140767035512:parameterName=CognitoParams:region=us-east-1": "{\"userPoolId\":\"us-east-1_zsH279jhh\",\"userPoolClientId\":\"c9prf7il5it7ioq3dlvji5g2c\",\"identityPoolId\":\"us-east-1:0b44688d-c1ed-496e-8e9f-7b7ce9a721a2\"}",
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"ssm:account=140767035512:parameterName=GraphQl:region=us-east-1": "https://cxb7zk64e5axzo2sywj2xmly4a.appsync-api.us-east-1.amazonaws.com/graphql",
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"availability-zones:account=309749931644:region=us-east-1": [
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"us-east-1a",
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"us-east-1b",
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"us-east-1c",
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"us-east-1d",
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"us-east-1e",
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"us-east-1f"
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],
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"availability-zones:account=730335228068:region=us-east-1": [
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"us-east-1a",
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"us-east-1b",
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"us-east-1c",
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"us-east-1d",
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"us-east-1e",
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"us-east-1f"
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]
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"ssm:account=140767035512:parameterName=GraphQl:region=us-east-1": "https://cxb7zk64e5axzo2sywj2xmly4a.appsync-api.us-east-1.amazonaws.com/graphql"
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}

‎config.sample.ts‎

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const baseConfig = {
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appName: "graphApp",
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region: "us-east-1",
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buildApiWithCDK: true,
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adminEmail: "[email protected]",
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allowedIps: [],
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wafParamName: "graphAppWafWebACLID",

‎docs/config.md‎

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These properties in details are as follows.
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| Property | Description | Type | Default value |
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| ----------------------- | ---------------------------------------------------------------------------------------------------- | ------------------------------ | ----------------------------------------------- |
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| appName | Application name for stack | string | `dev` |
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| region | Deployment AWS resouces the to region | string | `us-east-1` |
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| buildApiWithCDK | Deployment API resouces with AWS CDK. If set `false`, deploy only Lambda Function URL for bulk load. | boolean | `true` |
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| adminEmail | Send the temporary password to this email for signing graph application | string | `[email protected]` |
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| allowedIps | AWS WAF allowed this ips to access to the graph application. e.g.) [`"192.0.3.0/24"`] | string[] | `[]` |
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| wafParamName | The name of Paramater store in AWS Systems Manager which stores the web acl id of AWS WAF | string | `graphAppWafWebACLID` |
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| webBucketsRemovalPolicy | Removal policy for S3 buckets | `RemovalPolicy` | `RemovalPolicy.DESTROY` |
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| s3Uri | S3 URI of `vertex.csv` and `edge.csv` which you stored in. | { edge: string,vertex: string} | `{edge: "EDGE_S3_URI",vertex: "VERTEX_S3_URI"}` |
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| Property | Description | Type | Default value |
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| ----------------------- | ----------------------------------------------------------------------------------------- | ------------------------------ | ----------------------------------------------- |
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| appName | Application name for stack | string | `dev` |
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| region | Deployment AWS resouces the to region | string | `us-east-1` |
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| adminEmail | Send the temporary password to this email for signing graph application | string | `[email protected]` |
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| allowedIps | AWS WAF allowed this ips to access to the graph application. e.g.) [`"192.0.3.0/24"`] | string[] | `[]` |
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| wafParamName | The name of Paramater store in AWS Systems Manager which stores the web acl id of AWS WAF | string | `graphAppWafWebACLID` |
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| webBucketsRemovalPolicy | Removal policy for S3 buckets | `RemovalPolicy` | `RemovalPolicy.DESTROY` |
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| s3Uri | S3 URI of `vertex.csv` and `edge.csv` which you stored in. | { edge: string,vertex: string} | `{edge: "EDGE_S3_URI",vertex: "VERTEX_S3_URI"}` |

‎lib/api-stack.ts‎

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import * as path from "path";
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interface ApiStackProps extends StackProps {
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buildApiWithCDK: boolean;
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cognito: {
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adminEmail: string;
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userName?: string;
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}
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export class ApiStack extends Stack {
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public readonly cognito: Cognito | undefined;
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public readonly cognito: Cognito;
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public readonly graphqlUrl: string;
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constructor(scope: Construct, id: string, props: ApiStackProps) {
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const {
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buildApiWithCDK,
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cognito,
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vpc,
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cluster,
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clusterRole,
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graphqlFieldName,
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s3Uri,
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} = props;
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const { cognito, vpc, cluster, clusterRole, graphqlFieldName, s3Uri } =
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props;
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super(scope, id, props);
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this.cognito = buildApiWithCDK
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? new Cognito(this, "cognito", {
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adminEmail: cognito.adminEmail,
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userName: cognito.userName,
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refreshTokenValidity: Duration.days(1),
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})
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: undefined;
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this.cognito = new Cognito(this, "cognito", {
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adminEmail: cognito.adminEmail,
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userName: cognito.userName,
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refreshTokenValidity: Duration.days(1),
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});
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const api = new Api(this, "api", {
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buildApiWithCDK,
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schema: path.join(__dirname, "../api/graphql/schema.graphql"),
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vpc,
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cluster,

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