A Company Is Running a Multi-Tier Web Application on Premises

A company is running a multi-tier web application on premises. The web application is containerized and runs on a number of Linux hosts connected to a PostgreSQL database that contains user records. The operational overhead of maintaining the infrastructure and capacity planning is limiting the company's growth. A solutions architect must improve the application's infrastructure. Which combination of actions should the solutions architect take to accomplish this? (Choose two.)

A) Migrate the PostgreSQL database to Amazon Aurora.
B) Migrate the web application to be hosted on Amazon EC2 instances.
C) Set up an Amazon CloudFront distribution for the web application content.
D) Set up Amazon ElastiCache between the web application and the PostgreSQL database.
E) Migrate the web application to be hosted on AWS Fargate with Amazon Elastic Container Service (Amazon ECS) .