Insights, tools, and community resources for developers and DevOps teams in cloud-native environments.
A repeatable kubectl checklist for diagnosing Kubernetes pods, deployments, Services, Ingress, configuration, storage, and networking.
“Good design is as little design as possible. Less, but better.”
Learn how to decode JWT headers and claims, check expiration and audience, verify signatures, and debug tokens without exposing secrets.
A practical comparison of Kubernetes backup and restore options for etcd, persistent volumes, and application recovery planning.
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A practical guide to Kubernetes NetworkPolicy patterns for default deny, namespace isolation, app allowlists, and safer egress control.
A practical framework for comparing Prometheus, Grafana Cloud, and Datadog on setup, retention, cost patterns, and scaling tradeoffs.
A practical guide to SLOs, SLAs, and SLA credits, with clear ways to estimate downtime risk, compare vendors, and revisit assumptions.
A reusable Dockerfile checklist for building smaller, safer, faster container images without sacrificing clarity or maintainability.
A practical comparison of blue-green and canary deployments, with guidance on risk, rollback, observability, and best-fit scenarios.
A practical guide to using a regex tester for logs, metrics, and alert rules with review checkpoints DevOps teams can revisit regularly.
A practical guide to structured logging for Kubernetes and microservices, with schema design, correlation fields, and recurring review checkpoints.
A practical comparison of API rate limiting strategies for gateways, microservices, and public APIs, with guidance on fit, tradeoffs, and review triggers.
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A practical checklist for comparing cloud native secrets management options by rotation, auditability, Kubernetes fit, and operational overhead.
A practical reference for understanding Kubernetes pod states and fixing Pending, ImagePullBackOff, and CrashLoopBackOff issues.
A practical comparison of Terraform state backends across locking, security, workflows, and team tradeoffs.
A practical cron schedule reference with common patterns, edge cases, and maintenance checks for DevOps jobs and recurring automation.
A practical JWT validation checklist for developers who need to inspect tokens without confusing decoding with trust.
A practical hub for setting Kubernetes CPU and memory requests and limits by workload type without causing throttling or OOMKilled restarts.
A reusable checklist for defining incident severity levels, paging rules, and an on-call escalation matrix that teams can refine over time.
A practical Kubernetes autoscaling guide comparing HPA, VPA, and Cluster Autoscaler by workload type, tradeoff, and safe adoption path.
Expert-written Biology, Chemistry & Physics courses for GCSE, A-Level, AP and IB. Video lessons, practice quizzes, and printable revision notes — all in one place.
A practical workflow for using JSON formatting, validation, diffing, and schema checks to debug API requests and responses.