Zeroscaler CDK TypeScript Construct Library project

Construct (Zeroscaler) which contains and deploys a lambda that boots up your Fargate application when there is an incoming request. It also monitors

The construct defines an interface (ZeroscalerProps) to configure the visibility timeout of the queue.

Useful commands

• npm run build compile typescript to js
• npm run watch watch for changes and compile
• npm run test perform the jest unit tests

Diagram of the Construct

flowchart TD
    A["Client"] L_A_B_0@-- HTTP Request --> B["Zeroscaler"]
    B -. Register Target .-> C["ELB Target Group"]
    B L_B_A_0@-- Serve HTML with refresh --> A
    C -- Health Check --> D["ECS Fargate"]
    D -- Boot --> E["Your Fargate Application"]
    A L_A_E_0@-- Refresh when booted --> E
    E L_E_A_0@-- Response --> A
    linkStyle 0 stroke:#00C853,fill:none
    linkStyle 1 stroke:#AA00FF,fill:none
    linkStyle 2 stroke:#00C853,fill:none
    linkStyle 3 stroke:#AA00FF,fill:none
    linkStyle 4 stroke:#AA00FF,fill:none
    linkStyle 5 stroke:#2962FF,fill:none
    linkStyle 6 stroke:#2962FF,fill:none
    L_A_B_0@{ animation: fast } 
    L_B_A_0@{ animation: fast } 
    L_A_E_0@{ animation: fast } 
    L_E_A_0@{ animation: fast }

Installation

npm install @zeroscaler/zeroscaler-cdk

Usage

import * as cdk from 'aws-cdk-lib';
import { Construct } from 'constructs';
import { ZeroScaler } from '@zeroscaler/zeroscaler-cdk';

new Zeroscaler(stack, 'MyZeroscaler', {
    targetGroupArn: 'arn:aws:elasticloadbalancing:...',
    fargateTaskArn: 'arn:aws:ecs:...',
    // Optionally override vpc or cluster
    });

License

MPL-2.0