[jedrek]
region = eu-central-1

[jedrek]
aws_access_key_id = XXXXXXXX
aws_secret_access_key = XXXXXX

const app = new cdk.App();
new Ec2NatInstanceStack(app, 'Ec2NatInstanceStack', {
  env: { region: 'eu-central-1', account: 'XXXXXXXXXXX' }
});

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

export class Ec2NatInstanceStack extends cdk.Stack {
  constructor(scope: cdk.Construct, id: string, props?: cdk.StackProps) {
    super(scope, id, props);

    //===========================================================
    // NAT Instance
    //===========================================================
    const natGatewayProvider = ec2.NatProvider.instance({
      instanceType: new ec2.InstanceType('t3.small'),
    });

    //===========================================================
    // VPC
    //===========================================================
    const vpc = new ec2.Vpc(this, 'MyVpc', {
      natGatewayProvider,
      natGateways: 1,
    });
  }
}