An application's users are encountering bugs immediately after Amazon API Gateway deployments. The development team deploys once or twice a day and uses a blue/green deployment strategy with custom health checks and automated rollbacks. The team wants to limit the number of users affected by deployment bugs and receive notifications when rollbacks are needed.
Which combination of steps should a DevOps engineer use to meet these requests? (Choose two.)

A. Implement a blue/green strategy using path mappings.
B. Implement a canary deployment strategy.
C. Implement a rolling deployment strategy using multiple stages.
D. Use Amazon CloudWatch alarms to notify the development team.
E. Use Amazon CloudWatch Events to notify the development team.