A supply-chain manufacturing company manages its AWS resources in an Elastic Beanstalk environment. For implementing a new security requirement, the company needs to assign a single static IP address to a load-balanced Elastic Beanstalk environment. Subsequently, this IP address will be used to uniquely identify traffic coming from the Elastic Beanstalk environment. As a solutions architect, which of the following would you recommend as the BEST solution that requires minimal maintenance?