network-policiessawrus3/13/2026
Design and implement Kubernetes NetworkPolicy and Cilium network policies for namespace isolation and service-to-service access control.
pod-troubleshootingsawrus3/13/2026
Systematic diagnosis of pod failures — CrashLoopBackOff, OOMKilled, Pending, ImagePullBackOff, and service connectivity issues.
postmortem-analysissawrus3/13/2026
Write blameless postmortems with 5-whys RCA, actionable follow-ups, and systematic prevention measures.
component-designsawrus3/20/2026
Design reusable React/Vue components with correct patterns, typed APIs, state handling, and accessibility.
test-pyramidsawrus3/20/2026
Decide what type of test to write, structure the suite, measure health, and apply test doubles correctly.
observabilitysawrus3/13/2026
Implement structured logging, distributed tracing, and metrics for production-ready backend services.
github-actions-patternssawrus3/20/2026
Production-grade GitHub Actions workflows — reusable workflows, OIDC auth, caching, matrix builds, environment protection.
rbac-designsawrus3/20/2026
Design minimal-privilege RBAC for workloads, operators, and human access in multi-tenant clusters.
performance-testingsawrus3/20/2026
Design and execute load/stress tests with k6, establish SLO baselines, and identify bottlenecks.
troubleshootingsawrus3/13/2026
Systematic backend debugging — reproduce, isolate root cause, implement fix with regression test.
api-testingsawrus3/13/2026
Write API integration tests and consumer-driven contract tests (Pact) for service boundaries.
prometheus-alertmanagersawrus3/20/2026
Write production-quality Prometheus alert rules, recording rules, and Alertmanager routing configs.
log-aggregationsawrus3/13/2026
Set up Loki or ELK log aggregation for K8s workloads — structured logging, log routing, and log-based alerting.
cost-optimizationsawrus3/20/2026
Identify and reduce cloud infrastructure costs — right-sizing, reserved capacity, waste detection, tagging for cost attribution.
db-performancesawrus3/20/2026
PostgreSQL query performance — EXPLAIN ANALYZE, index design, pg_stat_statements, slow query detection, connection pool tuning.
secret-detectionsawrus3/13/2026
Detect secrets in code, git history, and running containers — pre-commit hooks, CI scanning, and incident response for exposed credentials.
sbom-supply-chainsawrus3/13/2026
Generate, attach, and verify SBOMs (CycloneDX/SPDX) for container images; implement SLSA provenance; harden software supply chain.
migration-safetysawrus3/13/2026
Safe database migrations in production — expand-and-contract, lock-safe DDL, timing estimation, rollback SQL.