Create a Public S3 Bucket via AWS SDK for Node

createPublicS3Bucket.js

// Create the bucket
const bucketName = await getBucketName()
const createBucketCommand = new CreateBucketCommand({
  Bucket: bucketName,
  ObjectOwnership: "ObjectWriter",
})
await s3.send(createBucketCommand)

// Delete the block public access
const deletePublicAccessBlockCommand = new DeletePublicAccessBlockCommand({
  Bucket: bucketName,
})
await s3.send(deletePublicAccessBlockCommand)

// Set the public access policy
const bucketPolicy = {
  Version: "2012-10-17",
  Statement: [
    {
      Sid: "PublicReadGetObject",
      Effect: "Allow",
      Principal: "*",
      Action: "s3:GetObject",
      Resource: `arn:aws:s3:::${bucketName}/*`,
    },
  ],
}

const putBucketPolicyCommand = new PutBucketPolicyCommand({
  Bucket: bucketName,
  Policy: JSON.stringify(bucketPolicy),
})
await s3.send(putBucketPolicyCommand)