AWS
7 posts
Cloud Infrastructure: Building a Three-Tier Architecture with EC2, S3, and RDS
Starting from a single server that does everything, this post breaks the stack apart into frontend, application, and data tiers, mapped onto AWS's EC2, S3, and RDS — and explains why this old-school pattern is still the default today.
AWS Networking Services: How Do VPC, Security Group, NACL, ELB, and Route 53 Divide the Work?
From carving out your own private network to resolving a domain name to the right place—understand how VPC subnets and routing work, what separates Security Group from NACL as two layers of firewall, how ELB spreads traffic across your backend, and how Route 53 handles DNS resolution.
AWS Management Tools: How CloudWatch, CloudTrail, Config, CloudFormation, and EventBridge Divide the Work
From "what's happening in the system" to "who changed what setting" to "how do we automate deployment and response" — here's how CloudWatch, CloudTrail, AWS Config, CloudFormation, and EventBridge each solve a different piece of the puzzle.
AWS Security Services: How Do IAM, Secrets Manager, KMS, ACM, WAF, Shield, and Cognito Divide the Work?
From "who can do what" to "how you defend against incoming traffic," understand what line of defense each AWS security service—IAM, Cognito, Secrets Manager, KMS, ACM, WAF, and Shield—actually holds.
AWS Database Services: How Do You Choose Between RDS, Aurora, DynamoDB, and Neptune?
From relational databases to graph and time-series stores, learn what problem each AWS database service—RDS, Aurora, DynamoDB, ElastiCache, Neptune, DocumentDB, Keyspaces, and Timestream—actually solves, and when you should reach for it.
AWS Storage Services: How Do You Choose Between S3, EBS, EFS, Snow Family, FSx, and Storage Gateway?
From a disk dedicated to a single machine to shipping physical devices full of data, this walks through what actually separates S3, EBS, EFS, FSx, Storage Gateway, and Snow Family — and when each one makes sense.
AWS Compute Services: How Do You Choose Between EC2, ECS, EKS, and Lambda?
From renting a VM to not thinking about servers at all — a walkthrough of EC2, ECS, EKS, and Lambda, what makes each one different, and how to pick the right one.