E-Commerce Cloud System — AwsVerse Project
E-Commerce Cloud System — AwsVerse Project: free step-by-step lesson with examples, common mistakes, and interview tips — part of AWS Cloud Tutorial on Toolliyo Academy.
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AWS Cloud Tutorial · Lesson 94 of 100
E-Commerce Cloud System
Core services ✓ → Projects
Projects · 2 — Deploy · ~10 min · AWS — Enterprise Projects
What is this?
Architecture: CloudFront → ALB → ECS catalog/cart/checkout → ElastiCache Redis → DynamoDB sessions → RDS orders → SQS order events → Lambda inventory sync.
Why should you care?
AwsVerse ShopVerse handles flash sales with cache-first catalog and async order processing.
See it live — copy this example
Run in AWS CloudShell / local AWS CLI v2, or follow the matching steps in the AWS Console (Free Tier).
aws cloudfront create-invalidation \
--distribution-id E1234567890ABC \
--paths '/catalog/*'
aws sqs send-message \
--queue-url https://sqs.ap-south-1.amazonaws.com/123/awsverse-orders.fifo \
--message-body '{"orderId":"ORD-9001","sku":"SKU-44","qty":2}' \
--message-group-id checkout \
--message-deduplication-id ORD-9001What happened?
- Invalidates CDN catalog cache after price update.
- FIFO queue message triggers inventory Lambda without blocking checkout response.
Practice next
- Deploy catalog ECS service behind CloudFront.
- Warm Redis with top 100 SKUs.
- Place test order; trace SQS → Lambda in logs.
- Enable Auto Scaling on checkout service CPU 60%.
- Add WAF rate limit on /checkout POST.
Remember
CDN plus cache for browse. Async order pipeline via SQS. Invalidate CDN on catalog change.
AwsVerse festival sale
10x traffic in one hour.
Outcome: Redis and ASG absorb load; order queue prevents inventory oversell.
Interview prep for this lesson
Practice these questions aloud after reading—each links to a full structured answer.
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