When CORS Requests Turn Into Unexpected API Gateway Costs (and How to Fix It)
·712 words·4 mins
Cross-Origin Resource Sharing (CORS) can result in hidden AWS API Gateway charges when every request triggers a preflight. This post explains why and shows how to use CloudFront, caching, path-based routing, and smart API design to reduce costs.
Automating Google Drive Backups to Amazon S3 Glacier IR
·888 words·5 mins
Learn how to automatically back up Google Drive documents to Amazon S3 Glacier IR with a secure, cost-efficient workflow powered by Python, rclone, and GitHub Actions.
Deploying AWS CDK Lambda with Docker & GitLab CI
·963 words·5 mins
Learn how to deploy AWS CDK Lambda functions using Docker-in-Docker inside GitLab CI. Covers setup, authentication with OpenID Connect, and handling Python dependencies with Poetry.