RDS Backup Retention
The 8-day workflow explained. How incremental EBS snapshots, block-level reference counting, and transaction logs work together to give you a fully restorable database every day — without storing 7× your data.
OAuth 2.0 & OIDC Flows
Interactive walkthrough of every OAuth 2.0 grant type — Authorization Code, Implicit, PKCE, and Client Credentials. Includes a live JWT decoder and animated flow simulator.
GitHub Actions Cheatsheet
Complete syntax reference for workflows, triggers, jobs, secrets, matrix builds, caching, and more. Searchable, filterable, with copy-ready snippets for 11 categories.
DevSecOps Pipeline v3
Shift-left security for containerised apps on AWS EKS. Interactive pipeline flow with Gitleaks, CodeQL, Trivy, Cosign, OWASP ZAP, Argo Rollouts canary, and manual approval gates.
Kubernetes Networking
From IP ranges and veth pairs to VXLAN encapsulation, kube-proxy, CoreDNS, and Ingress — 12-tab interactive deep dive into how k8s networking actually works.
Docker Multi-Architecture
From CPU architectures to manifest lists — how Docker builds, pushes, and resolves images across amd64, arm64, arm/v7, and s390x. Includes interactive manifest inspector.
OpenTelemetry
Traces, metrics, and logs under one vendor-neutral standard. Interactive deep dive into signals, Collector pipeline, context propagation, and Kubernetes deployment modes.
COMING SOON
VPC Packet Flow
Trace a network packet from the internet gateway through security groups, NACLs, route tables, and into your EC2 instance. See exactly where each traffic decision is made.