What is the process for uploading a zip file to S3 using CDK?

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To upload a zip file to S3 using CDK, follow these steps:

1. First, import the necessary modules:

import * as s3 from '@aws-cdk/aws-s3';
import * as s3deploy from '@aws-cdk/aws-s3-deployment';

1. Create an S3 bucket:

const myBucket = new s3.Bucket(this, 'MyBucket');

1. Define the local path of the zip file:

const localPath = path.join(__dirname, '../myapp.zip');

1. Upload the zip file to the S3 bucket:

new s3deploy.BucketDeployment(this, 'DeployFiles', {
   sources: [s3deploy.Source.asset(localPath)], 
   destinationBucket: myBucket 
});

1. Deploy the CDK stack:

cdk deploy

This will create an S3 bucket and upload the zip file to it.