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23seriy/README.md

πŸ‘‹ Hey there, I'm Sergei Olshanetski

Typing SVG

DevOps Kubernetes AWS Terraform Go Python

πŸ§‘β€πŸ’» About Me

DevOps Engineer and Cloud Architect building scalable, automated infrastructure. I specialize in Kubernetes orchestration, CI/CD pipelines, and cloud-native architectures β€” and I write about it all on Medium.

  • πŸ”§ Infrastructure as Code β€” Terraform multi-environment management
  • ☸️ Kubernetes β€” Cluster architecture, service mesh, eBPF networking
  • πŸš€ CI/CD Pipelines β€” Jenkins shared libraries, GitHub Actions, GitOps
  • πŸ”’ Zero-Trust Security β€” Network policies, L7 filtering, egress control
  • πŸ“Š Observability β€” Prometheus, Grafana, distributed tracing, Hubble
  • 🌱 Always shipping β€” hands-on demos with every article I publish

πŸ› οΈ Core Expertise

☁️ Cloud Platforms

AWS Azure Google Cloud

Multi-cloud architecture, cost optimization, high availability patterns, serverless and container services

☸️ Kubernetes & Containers

Kubernetes Docker Helm Istio Cilium

EKS/GKE/AKS, service mesh (Istio, Cilium), GitOps (ArgoCD), progressive delivery, eBPF networking

πŸ”§ Infrastructure as Code

Terraform Ansible Crossplane

Multi-environment management, modular design, Crossplane CRDs, compliance as code

πŸš€ CI/CD & Automation

Jenkins GitHub Actions GitLab CI

Pipeline architecture, container registries, canary/blue-green deployments, automated rollbacks

πŸ“Š Monitoring & Observability

Prometheus Grafana ELK Stack Jaeger

Metrics, alerting, distributed tracing, log aggregation, Hubble flow visualization


πŸ“Œ What I Build


πŸ“Š GitHub Stats

GitHub Streak

GitHub Stats

Activity Graph


πŸ“‚ Featured Projects

Each project includes a full Medium article walkthrough, automation scripts, and a working demo you can run locally on Minikube.

Project What It Demonstrates Article
CILIUM-in-action eBPF networking, L7 HTTP policies, kube-proxy replacement, Hubble observability Read on Medium
ARGO-ROLLOUTS-in-action Canary deployments, blue-green rollouts, automated analysis Read on Medium
ISTIO-in-action Traffic splitting, fault injection, circuit breaking, mTLS Read on Medium
CROSSPLANE-in-action Kubernetes CRDs provisioning AWS resources (S3) via Compositions Read on Medium
KEDA-in-action Event-driven autoscaling, Redis/RabbitMQ scalers, scale-to-zero Read on Medium
devops-ai-workflows AI-agent workflows for K8s debugging, AWS audits, Terraform reviews β€”

πŸ“š Articles & Resources

  • 🌐 Medium β€” In-depth DevOps guides with every project above
  • πŸ”§ All Repositories β€” Hands-on infrastructure code

🀝 Let's Build Together

Tip

Open to collaboration on challenging DevOps and cloud infrastructure projects

  • πŸ’Ό DevOps Consulting β€” Transform your infrastructure with automation
  • πŸš€ Cloud Architecture β€” Design scalable multi-cloud solutions
  • ☸️ Kubernetes Orchestration β€” Build resilient container platforms
  • πŸ”„ CI/CD Pipeline Design β€” Optimize your deployment workflows
  • πŸ“š Knowledge Sharing β€” Workshops, articles, and open-source contributions

πŸ“« How to Reach Me

πŸ“§ Email: 23seriy@gmail.com πŸ’Ό LinkedIn: linkedin.com/in/sergei-olshanetski 🌐 Medium: medium.com/@sergeiolshanetski


Profile Views

github-snake


⭐ From Sergei Olshanetski with passion for DevOps excellence and cloud innovation

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  1. devops-ai-workflows devops-ai-workflows Public

    Curated collection of AI-agent workflows, prompts & rules for DevOps/SRE β€” Kubernetes debugging, AWS audits, Terraform plan reviews, CI/CD triage, Dockerfile reviews, secrets scanning & incident re…

    Shell 1

  2. ISTIO-in-action ISTIO-in-action Public

    Hands-on Istio service mesh demo on Minikube β€” traffic splitting, canary deployments, fault injection, circuit breaking, mTLS, authorization policies & observability (Kiali, Grafana, Jaeger). Pytho…

    Shell 1

  3. KEDA-in-action KEDA-in-action Public

    Hands-on KEDA event-driven autoscaling demo on Minikube β€” scale-to-zero, Redis & RabbitMQ queue scalers, cron pre-warming, TriggerAuthentication, cooldown tuning. NBA-themed Python microservices wi…

    Python 1

  4. ARGO-ROLLOUTS-in-action ARGO-ROLLOUTS-in-action Public

    Argo Rollouts in Action: Progressive Delivery with Canary, Blue-Green, and Automated Analysis on Your Laptop

    Python 1

  5. CROSSPLANE-in-action CROSSPLANE-in-action Public

    ☁️ Hands-on Crossplane demo β€” provision AWS resources (S3) from Kubernetes using CRDs, Compositions, and XRDs. Runs locally on Minikube + LocalStack.

    Shell 1

  6. NELM-in-action NELM-in-action Public

    Shell 1