Creating an Amazon ECR repository

5.1. In lib/cdk-msg-app-backend-stack.ts, add the following below the last import.

import * as ecr from '@aws-cdk/aws-ecr';

5.2. In lib/cdk-msg-app-backend-stack.ts, add the following code inside the constructor.

    const repository = new ecr.Repository(this, "workshop-api", {
      repositoryName: "workshop-api"
    });

5.3. Save it and make sure it builds and creates a stack.

npm run build
cdk synth

5.4. Deploy the stack.

cdk deploy

5.5. Open the Amazon ECR console on Repositories https://console.aws.amazon.com/ecr/repositories, you will see your new repository.