Upload the files to an Amazon S3 bucket that is configured for static website hosting. Grant readonly IAM permissions to any AWS principals that access the S3 bucket until the specified date.

Create a new Amazon S3 bucket. Enable S3 Versioning. Use S3 Object Lock and set a retention period based on the specified date. Create an Amazon CloudFront distribution to serve content from the bucket. Use an S3 bucket policy to restrict access to the CloudFront origin access control (OAC).

Create a new Amazon S3 bucket. Enable S3 Versioning. Configure an event trigger to run an AWS Lambda function if a user modifies or deletes an object. Configure the Lambda function to replace the modified or deleted objects with the original versions of the objects from a private S3 bucket.

Upload the files to an Amazon S3 bucket that is configured for static website hosting. Select the folder that contains the files. Use S3 Object Lock with a retention period based on the specified date. Grant read-only IAM permissions to any AWS principals that access the S3 bucket.