AWS Serverless Pipeline
·
Single-Table DynamoDB
·
Sub-15ms Ingestion
Event-Driven Coffee Order Fulfillment Simulator
Dispatches atomic orders through AWS API Gateway, orchestrates payment webhooks, decrements inventory with DynamoDB TransactWrite, and sweeps resources upon 2-hour TTL expiration.
Live Standing Cost
$0.00 / month
Cart Items
0 items
Artisan Specialty Roasts & Menu
Select coffee, customize dairy & shots, and dispatch live transactions
☕
$4.75
Ethiopian Yirgacheffe
Light roast with crisp bergamot, jasmine florals, and Meyer lemon notes.
🥛
$5.25
Velvet Oat Flat White
Double ristretto with micro-textured organic oat milk foam.
❄️
$5.00
Nitro Cold Brew Cascade
20-hour cold water extraction infused with micro nitrogen bubbles.
🍵
$5.75
Kyoto Ceremonial Matcha
First harvest stone-ground Uji matcha whisked with warm oat cream.
Processing Order...
STAGE: INGESTION
1. API Ingest
2. Payment Auth
3. DynamoDB Decr
4. Ready Pickup
Live Microservice Event Telemetry
Auto-scrolling stream[2026-09-27 00:00:01] Route: demo1.symmetriccloud.com → s3://symmetriccloud.com/demos/coffee-shop/
[2026-09-27 00:00:02] Edge: CloudFront Function host-rewrite verified in 0.4ms overhead
[2026-09-27 00:00:03] DynamoDB dev-CoffeeTable healthy (Pay-per-request, 0 provisioned capacity)
🛒 Active Order Bag
$0.00Your order bag is empty. Add coffees from the menu.
RECEIPT ISSUED
ord_xxxx
Subtotal:$0.00
DynamoDB Fee:$0.00 (Free Tier)
Execution Time:18ms
Total Charged:$0.00
Idempotency Token: 0x92f...
🌐 Zero-Code Subdomain Routing
This demo is served via Wildcard DNS (*.symmetriccloud.com) routed through a single CloudFront distribution and edge function.
Host Header:
demo1.symmetriccloud.com
Resolved S3 Origin:
s3://symmetriccloud.com/demos/coffee-shop/
Standing Compute Cost:
$0.00 / month (Pay-per-request)