#Aws
118 posts
AWS Advanced #7: Step Functions
Where state machines fit, the four states (Task / Choice / Parallel / Map), Standard vs Express, Lambda / ECS / SDK integrations, error handling with retry / catch, common patterns — the AWS workflow service.
AWS Certified Cloud Practitioner (CLF-C02) #1: Exam Introduction — Structure and Study Strategy
The opening post of the AWS Certified Cloud Practitioner (CLF-C02) series. The shape of 65 questions, 90 minutes, and a 700 passing score; the weight and meaning of the four domains; registration and the testing environment; and the study strategy that turns the hands-on feel from the [AWS track](/en/posts/aws-basics-1) into exam answers. This 10-part series targets a CLF-C02 pass, wrapping up with a full-scale mock exam in #10.
AWS Advanced #6: Secrets Manager / Parameter Store
How Secrets Manager and SSM Parameter Store differ, automatic rotation, fetching from code (boto3 / caching / Powertools), ECS and Lambda integration, IaC wiring, cost comparison — AWS secret / configuration management.
AWS Advanced #5: EventBridge / SQS / SNS
The three side by side, SNS topic / SQS queue / EventBridge bus,rule, fan-out patterns, FIFO vs Standard, DLQ and idempotency, how it all wires up to Lambda / ECS — AWS messaging infrastructure.
AWS Advanced #4: API Gateway + Lambda
REST API vs HTTP API differences, Lambda integrations (proxy / non-proxy), routes / methods, authorization (IAM / Cognito / Lambda authorizer), stages / deployments / usage plans — the standard pattern for exposing Lambda over HTTP.
AWS Advanced #3: Lambda Basics
Where Lambda fits (vs ECS / EC2), runtime / handler / event / context, sync vs async invocation, cold start and Provisioned Concurrency, concurrency / limits, logging and monitoring — your first AWS serverless building block.
AWS Advanced #2: ECR — Image Registry
Amazon ECR private / public, IAM auth, docker push / pull, image scanning, lifecycle policies, multi-architecture (linux/amd64 + arm64) — where the images that ECS and Lambda will pull actually live.
AWS Advanced #1: ECS and Fargate — Container Deployment
ECS and where it fits (vs EKS), the four pieces (Cluster / Service / Task / Task Definition), EC2 launch type vs Fargate, hooking up ALB / VPC, and your first container deployment — how to put a container on AWS, end to end.
AWS Intermediate #7: CloudFront for static site delivery
AWS's global CDN, CloudFront. The Origin / Behavior / Cache Policy flow, the S3 + CloudFront static-hosting pattern, how OAC fronts S3 safely, and the operational side of invalidations.
AWS Intermediate #6: ALB / NLB and ACM (HTTPS)
AWS's managed load balancers — the differences between ALB, NLB, and GWLB; the Listener / Target Group / Health Check flow; and the operational pattern of issuing a cert with ACM and turning on HTTPS in one go.
AWS Intermediate #5: Route 53 — domains and DNS
AWS's managed DNS, Route 53. Domain registration and Hosted Zones, the difference between A / AAAA / CNAME / Alias records, and Simple / Failover / Latency / Geolocation routing policies.
AWS Intermediate #4: RDS — managed DB, backups, parameter groups
AWS's managed relational database, RDS. Comparison vs DB-on-EC2, automated backups and snapshots and PITR, Multi-AZ, parameter / option groups, and how to handle minor vs major upgrades operationally.