Tips and Tricks #214: Use CQRS for Complex Domain Logic
Separate read and write operations for better scalability and simpler code.
Tips and Tricks #213: Apply Repository Pattern for Data Access
Abstract data access logic behind a clean interface for testability and flexibility.
Tips and Tricks #212: Implement Structured Logging for Observability
Use structured JSON logging for better searchability and analysis in cloud environments.
Tips and Tricks #211: Use AWS Lambda Layers for Shared Dependencies
Share common code and dependencies across Lambda functions to reduce deployment size.
Tips and Tricks #186: Implement Idempotent ETL with Merge Statements
Use MERGE (upsert) for safe, rerunnable data pipelines that handle duplicates gracefully.
Tips and Tricks #185: Use Window Functions for Running Calculations
Calculate running totals, rankings, and moving averages efficiently with SQL window functions.