CDK アプリでコンテナイメージアセットを構築してデプロイする

my-cdk-app/
├── lib/
│   ├── my-stack.ts
│   └── docker/
│       ├── Dockerfile
│       └── app/
│           └── index.js
├── bin/
│   └── my-cdk-app.ts
├── package.json
├── tsconfig.json
└── cdk.json

FROM public.ecr.aws/lambda/nodejs:16

# Copy application code
COPY app/ /var/task/

# (Optional) Install dependencies
# RUN npm install

# The Lambda Node.js base image looks for index.handler by default

lib/docker/app/index.js に作成

console.log("Hello from inside the container!");

import * as cdk from 'aws-cdk-lib';
import { Construct } from 'constructs';
import * as ecr_assets from 'aws-cdk-lib/aws-ecr-assets';

export class MyStack extends cdk.Stack {
  constructor(scope: Construct, id: string) {
    super(scope, id);

    // Define a Docker image asset
    const dockerImageAsset = new ecr_assets.DockerImageAsset(this, 'MyDockerImage', {
      directory: 'lib/docker', // Path to the directory containing the Dockerfile
    });

    // Output the ECR URI
    new cdk.CfnOutput(this, 'ECRImageUri', {
      value: dockerImageAsset.imageUri,
    });
  }
}

#!/usr/bin/env node
import * as cdk from 'aws-cdk-lib';
import { MyStack } from '../lib/my-stack';

const app = new cdk.App();
new MyStack(app, 'MyStack');