Terraform Production
State management, remote backends, drift detection, modules, workspace isolation, and CI/CD integration for IaC at scale.
StateBackendsModulesCI/CD
Kubernetes Production
Pod lifecycle, networking, storage, scheduling, security posture, HPA/VPA, cluster upgrades, and real incident diagnosis patterns.
PodsNetworkingSecurityUpgrades
GCP Production
IAM & Workload Identity, GKE, VPC networking, Cloud SQL, BigQuery, Binary Authorization, SCC, Cloud Build, and FinOps patterns.
IAMGKEVPCFinOps
AWS Production
IAM, VPC, EKS, RDS, Lambda, S3, CloudWatch, Cost Explorer, and multi-region high-availability architecture patterns.
IAMEKSVPCCost
Azure Production
Entra ID, AKS, VNet peering, Azure Storage, Cost Management, Defender for Cloud, Policy, and enterprise landing zone patterns.
Entra IDAKSVNetCost Mgmt
Networking Fundamentals
OSI model, TCP/UDP internals, DNS deep dive, TLS handshake, load balancing, eBPF, mTLS, cloud VPC, and network troubleshooting.
TCP/DNSTLSeBPFVPC
Linux Systems Admin
Process management, filesystem internals, kernel tuning, performance analysis, security hardening, systemd, LVM, cgroups, and namespaces.
ProcessesPerformanceSecuritysystemd
Database Performance
Index internals, query plan analysis, PostgreSQL VACUUM & WAL, MySQL buffer pool, connection pooling, replication, and Cloud SQL tuning.
IndexingEXPLAINReplicationCloud SQL
Container Lifecycle & Deployments
Docker internals, image optimisation, OCI runtime, deployment strategies (rolling, blue-green, canary), security, Helm, ArgoCD, and GitOps.
DockerDeploymentsHelmGitOps
Git in Production
Object model internals, branching strategies, merge vs rebase, interactive rebase, disaster recovery, GitOps workflows, signing, and repo governance.
BranchingRecoveryGitOpsSecurity
Observability & Monitoring
Metrics / logs / traces pillars, Prometheus, PromQL, Grafana, Loki, OpenTelemetry, SLOs, error budgets, burn-rate alerting, and incident response.
PrometheusGrafanaSLOsOTelAlerting
CI/CD Pipelines
GitHub Actions, Cloud Build, ArgoCD, Tekton, pipeline design patterns, test strategies, security scanning, and GitOps promotion flows.
GitHub ActionsArgoCDSecurityRollback
System Design NEW
URL shorteners, rate limiters, multi-region Kubernetes platforms, distributed caches, notification systems, CI/CD platforms, and trade-off deep dives at Principal level.
ScalabilityReliabilityTrade-offsPlatform