Apr 15, 2024
The synthesis of the entire series: designing for unpredictable failure, the stateless PBC constraint, security as infrastructure, polyglot persistence, and why the composable migration is an architecture not a project.
Apr 8, 2024
The three-layer responsibility model for composable platforms, AWS Artifact for QSA evidence, Config auto-remediation rules, and GDPR right-to-erasure implemented as a cross-PBC cascade.
Apr 1, 2024
Defence-in-depth across six independent layers, WAF rules tuned for composable storefronts, the Payment PBC PCI isolation pattern, IMDSv2 enforcement, and CloudTrail as incident response infrastructure.
Mar 25, 2024
CloudFront cache behaviours per PBC path, Kinesis Streams for real-time personalisation signals, Kinesis Firehose for the analytics pipeline, and CloudFormation as the deployment contract between platform and PBC teams.
Mar 18, 2024
Cache-aside per PBC with versioned keys, TTL as a business decision, Redis data structures for sessions and flash-sale inventory counters, atomic operations, and Multi-AZ failover for session continuity.
Mar 11, 2024
Alias records at the zone apex, all five routing policies mapped to composable commerce requirements, health checks that test business readiness not just ports, and GDPR compliance through geolocation routing.
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.
Jan 22, 2024
How Amazon S3 and Glacier function as the shared asset backbone across PBCs - from pre-signed URL patterns and lifecycle policies to cross-region replication and compliance archiving.
Jan 15, 2024
How AWS Regions, Availability Zones, and Edge Locations form the reliability substrate for MACH-based composable commerce platforms - and why Region selection is an architectural decision, not a deployment detail.
Jan 8, 2024
A full 14-article series mapping every major AWS service to composable commerce PBC design - infrastructure, security, data, and messaging patterns for MACH architects.