Blog
Same-AZ Routing with Lambda AZ Metadata — Halving ElastiCache Latency
Hands-on verification of Lambda's new AZ metadata endpoint. Measured same-AZ vs cross-AZ latency to an ElastiCache Valkey cluster and quantified the routing benefit.
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Blog
Visualizing Karpenter Internals with EKS Auto Mode Enhanced Logging
Set up CloudWatch Vended Logs for EKS Auto Mode's 4 components (Compute/Block Storage/Load Balancing/IPAM) and analyze scale-up to scale-down behavior with Logs Insights queries.
Blog
Evaluating AI Agents with Strands Evals — Hands-on Testing of 6 Key Features
A practical walkthrough of Strands Evals' core features: deterministic checks, LLM-based scoring, multi-turn simulation, and auto-generated test cases. Includes gotchas discovered through real testing.
Blog
Install and Use Custom Libraries in Bedrock AgentCore Code Interpreter
Hands-on verification of AgentCore Code Interpreter's S3 integration and PUBLIC mode. Covers direct pip install, S3 wheel offline installation, sys.path import, and cross-session persistence behavior.
Blog
Building a Low-Maintenance Kubernetes Cluster with EKS Auto Mode
Set up an EKS cluster with Auto Mode enabled using a single eksctl command. Covers how Auto Mode eliminates node group management and when to choose it over traditional managed node groups.
Blog
Execute Shell Commands in Bedrock AgentCore Runtime Sessions with InvokeAgentRuntimeCommand
Hands-on verification of AgentCore Runtime's new shell command API. Covers HTTP/2 streaming, in-session file persistence, cross-session microVM isolation, and concurrent execution behavior.
Blog
SEO Improvements for a Next.js App Router Multilingual Site
A canonical duplication error triggered a full SEO audit. Missing sitemaps, absent structured data, no OG images for TILs — a record of pitfalls found and fixed on a Next.js App Router site with locale routing.
Blog
Standardizing Agent Skill Names and Optimizing Descriptions: Consolidating 13 Skills into 12
Unified all skill names to gerund form, added pushy trigger clauses to descriptions, and merged overlapping skills. Centralized quality standards cut maintenance overhead.
Blog
Stream Agent Responses to UIs with Bedrock AgentCore Runtime AG-UI Protocol
Deploy an AG-UI protocol server to Bedrock AgentCore Runtime and stream real-time agent responses via SSE events. Hands-on walkthrough with agentcore CLI Direct Code Deploy.
Blog
Refactoring Agent Skills with Official Best Practices
Applied Anthropic's two official best practice guides to a real skill set, uncovering reserved word violations, naming issues, and missing progressive disclosure. Includes a self-check workflow using a custom analysis skill.