cdk-stack.ts

import * as cdk from 'aws-cdk-lib';
import { Construct } from 'constructs';
import * as ec2 from 'aws-cdk-lib/aws-ec2';

export class CdkStack extends cdk.Stack {
    constructor(scope: Construct, id: string, props?: cdk.StackProps) {
        super(scope, id, props);

        const vpc = ec2.Vpc.fromLookup(this, 'vpc', {
            vpcId: 'vpc-12345678901234567'
        });

        const instance = new ec2.Instance(this, 'ec2', {
            vpc: vpc,
            vpcSubnets: {
                subnets: [
                    ec2.Subnet.fromSubnetAttributes(this, 'subnet-1', {
                        subnetId: 'subnet-12345678901234567',
                        availabilityZone: 'ap-northeast-1a',
                    }),
                ]
            },
            instanceType: ec2.InstanceType.of(ec2.InstanceClass.T3, ec2.InstanceSize.MICRO),
            machineImage: new ec2.AmazonLinuxImage({
                generation: ec2.AmazonLinuxGeneration.AMAZON_LINUX_2023,
            }),
        });
    }
}