Mar 4, 2024
The order-placed fan-out pattern, visibility timeout as a reliability contract, Dead Letter Queues as revenue alerts, idempotent consumers, and SNS for zero-code PBC subscription extensibility.
Feb 26, 2024
Polyglot persistence for composable PBCs - Aurora for Order Management, DynamoDB for Cart and Session, Redshift as the cross-PBC analytics layer, and the data ownership contract that keeps PBCs truly independent.
Feb 19, 2024
One IAM role per PBC, eliminating credentials from code, cross-PBC SigV4 authorisation patterns, Secrets Manager auto-rotation, and blast radius containment through least-privilege design.
Feb 12, 2024
ALB path-based routing for PBC dispatch, business-level CloudWatch metrics beyond CPU, per-PBC Auto Scaling strategies, and connection draining for zero-downtime composable deployments.
Feb 5, 2024
The reference subnet topology for multi-tier composable platforms, Security Groups vs NACLs defence-in-depth, VPC Endpoints for keeping PBC traffic private, and Transit Gateway for multi-team deployments.
Jan 29, 2024
Instance family selection, golden AMI deployment contracts, Reserved vs Spot pricing strategies, and the stateless PBC imperative - the compute decisions that drive cost and resilience.