A business has a Go-based on-premises application that needs to be migrated to AWS. The business was excited about the migration and wanted to take advantage of the new opportunities that AWS provided. Its development team desires to enable blue/green deployments. This would allow them to have two identical environments running side-by-side, with one being the current production environment (blue) and the other being a new environment (green) where they could test new features and changes via A/B testing. Which of the following is the MOST appropriate solution that the DevOps Engineer should implement to meet the requirements?