AWS Certificate Manager
- Provision, manage and deploy TLS certificate.
 - Both private and public TLS certificates.
 - Auto renewal
 - Integration with Load Balancers, CloudFront Distributions, API Gateway.
 - Cannot use with EC2.
 
Public Certificates
- List domain names to be included.
 - Select validation method: DNS Validation or Email Validation.
 
Integration with ALB

Integration with API Gateway
- Create custom domain name in API gateway.
 
