Which combination of actions should the solutions architect take to accomplish this?

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? (Select 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).

Answer: C,D