[EC2]: Elastic Compute (VM)

• AMI: Machine Image: Snapshot of image to clone instances
• Target Group: Groups of instances

[EBS]: Elastic Block Storage: Common Storage for EC2

[ELB]: Elastic Load Balancer -> LB for EC2

• Connect via Target group of EC2

[CloudWatch]:

• Monitor AWS Services performance, using Services Heartbeat
• Events: Detects changes in services -> can trigger actions / alarms
• Logs

[Auto Scaling]: Monitors via CloudWatch -> adjust compute to maintain load

• Set min, max and desired range of instances upto which can be made
• On load -> Creates instances from AMI & Add to Target Group

[S3]: Storage Bucket for storing binaries

• Used with AWS SDK for file upload (better do with signed URI)