S3 bucket and key naming policies

It is recommended to use bucket names that comply with DNS naming conventions:

  • Must be from 3 to 63 characters long

  • Must start and end with a lowercase letter or number

  • Can contain lowercase letters, numbers, periods (.), hyphens (-), and underscores (_)

  • Can be a series of valid name parts separated by periods

An object key can be a string of any UTF-8 encoded characters, up to 1024 bytes long.