Dapr for Distributed Microservices: A 2026 Tool Deep-Dive and Tutorial
A Dapr deep-dive for 2026: building blocks, the sidecar model, service invocation, state, pub/sub, workflows, and how Dapr abstracts infrastructure on Kubernetes.
Kubernetes Multi-Tenancy Architecture: Namespaces, vCluster, and Hard Isolation
A 2026 Kubernetes multi-tenancy decision record: soft vs hard isolation, namespaces, hierarchical namespaces, vCluster, Capsule, and Kata - choosing the right tenancy model for your platform.
NVIDIA Jetson + K3s: Edge AI Cluster Tutorial (2026)
A hands-on NVIDIA Jetson and K3s edge AI cluster tutorial: provision nodes, enable GPU scheduling, deploy a vision model, and run inference at the edge.
Confidential Containers on Kubernetes: A 2026 Guide
Confidential containers on Kubernetes explained: TEEs, AMD SEV-SNP and Intel TDX, remote attestation, the CoCo project, and running sensitive workloads safely.
Kubernetes CNI Compared: Calico vs Cilium vs Flannel
A 2026 Kubernetes CNI comparison: Calico, Cilium, Flannel, and Multus on dataplane, eBPF, network policy, performance, and a decision matrix for each cluster.
Kubernetes Cost Optimization and GPU Rightsizing (2026)
A deep dive into Kubernetes cost optimization in 2026: bin-packing, fractional GPUs, Karpenter, requests/limits tuning, and FinOps guardrails.
Kubernetes Gateway API vs Ingress vs Service Mesh (2026)
An ADR for Kubernetes north-south and east-west traffic in 2026: Gateway API vs Ingress vs service mesh, role separation, GAMMA, and migration paths.
Kubernetes Network Policy Egress: RDS & External Services
Kubernetes network policy egress in 2026: lock down pod egress to RDS and external services with NetworkPolicy, CNI gotchas, CIDR rules, and a working example.
Dapr: A Distributed Application Runtime Tutorial (2026)
A 2026 Dapr tutorial: the distributed application runtime explained — building blocks, the sidecar model, state and pub/sub, with working config and deployment.
OpenBao Secrets Management: A Production Tutorial (2026)
A 2026 production tutorial for OpenBao secrets management: sealing, auth methods, dynamic secrets, Kubernetes injection, and high-availability deployment.