Real-Time Chat Application Architecture

WebSocket-based chat architecture with API Gateway WebSocket API, Lambda for connection management and message routing, DynamoDB for messages with Streams triggering notifications, ElastiCache Redis pub/sub, S3 file attachments, and SNS push.

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About This Architecture

WebSocket-based chat architecture with API Gateway WebSocket API, Lambda for connection management and message routing, DynamoDB for messages with Streams triggering notifications, ElastiCache Redis pub/sub, S3 file attachments, and SNS push.

Real-Time Chat Application Architecture

AWSCurated TemplateAWS
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Created by

February 9, 2026

Updated

February 13, 2026 at 5:47 PM

Type

architecture

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Real-Time Chat Application Architecture — Architecture Diagram | Diagrams.so