AWS Fundamentals

Must-know AWS services and cloud concepts for backend developers.

• Cloud Basics and AWS Global Infrastructure — Cloud computing, Regions, Availability Zones and choosing a Region.
• VPC and Networking Basics — VPCs, public/private subnets, routing, gateways and security groups.
• IAM: Users, Roles and Policies — Authentication, permissions and least-privilege access.
• CloudWatch, Billing and Shared Responsibility — Logs, metrics, alarms, cost controls and AWS versus customer duties.
• S3: Object Storage — Buckets, objects, access control, versioning and common use cases.
• RDS: Managed Databases — Managed SQL databases, backups, Multi-AZ and connection safety.
• EC2: Virtual Servers — Instances, AMIs, instance types, key pairs and security groups.
• Load Balancing and Auto Scaling — Distributing traffic, health checks and automatically changing capacity.