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Serverless

Field notes, architecture decisions, and practical guides filed under this recurring subject.

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CLOUD

25 September 2026 · 6 MIN READ

AWS This Week: EventBridge's New Event Bus, Network Security Manager and Cross-Continent DynamoDB (Video)

80 seconds on the AWS news that changes how platform teams build this week: Amazon EventBridge relaunches the custom event bus (one bus for the whole organisation, ordered delivery, per-GB pricing), AWS Network Security Manager is generally available, DynamoDB multi-Region strong consistency now crosses continents, Kinesis Data Streams picks the partition key for you — plus one industry signal: Seller Central opens to outside AI agents.

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CLOUD

16 September 2026 · 9 MIN READ

Build a Live Audience Voting Game for Your Conference Talk in a Weekend (Serverless, Zero Paid Tools)

For a conference session I co-delivered, I wanted a hundred-plus people swiping live votes on their phones — without Mentimeter, without Kahoot, and without a single credential in the JavaScript bundle. The whole backend is three DynamoDB tables behind an IAM-authenticated AppSync API: a singleton GameState row drives lobby, launch, reveal and podium; Cognito guest identities sign every call with SigV4; votes are namespaced by runId so a reset hides everything without deleting anything. Total AWS bill for the event: under a dollar.

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