Cost, Performance, Reliability, Security, Operational Excellence

server based

WhatsTheTime

• public / private IP & EC2
• Elastic IP vs Route53 vs Load Balancer
• Route53 TTL, A records and Alias records
• manually scale or ASG
• Multi-AZ
• ELB health checks
• Security Group Rules

MyClothes (Stateful)

• ELB sticky session
• ElastiCache
• RDS
• Tight security with security group referencing each other (minimal access)

MyWordPress

• Aurora Database to have easy Multi-AZ and Read-Replicas
• Storing data in EBS (single instance) vs EFS (distributed)

Elastic Beanstalk

• Elastic Beanstalk is a developer centric view of deploying an application on AWS
• managed service
  • automatically handles capacity provisioning, LB, scaling, application health monitoring, instance configuration
  • just the application code is the responsibility of the developer
• pay for the underlying instances
• Components
  • Application - collection of Elastic beanstalk components (environments, versions, configurations)
  • Application Version - an iteration of your application code
  • Environment
    • collection of AWS resources running an application version
    • Tiers - web / worker

serverless

mobile app