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Ćosić Lab

Personal infrastructure lab for Docker, deployment, monitoring and real-world system experiments.

A small VPS-powered lab used for learning CI/CD, reverse proxy routing, observability and practical software deployment workflows.

View Stack Current Focus

What is Ćosić Lab?

Ćosić Lab is not a company website. It is a personal engineering playground for testing real deployment workflows, infrastructure tools and application hosting patterns.

Current Stack

VPS

Contabo VPS

4 CPU cores · 8 GB RAM · 200 GB SSD
Reverse Proxy

Traefik

Dynamic container routing
Monitoring

Grafana · Prometheus

cAdvisor · node-exporter
DNS / Protection

Cloudflare

TLS and DNS edge
Containers

Docker · Compose

Service orchestration
Planned

GitHub Actions

CI/CD pipelines

Lab Goals

Learn real CI/CD workflows
Deploy C# APIs and small tools
Practice Docker-based hosting
Monitor services and containers
Build reliable rollback and health-check habits
Experiment with AI integration for legacy systems

Currently building

GitHub Actions deployment pipeline
C# Minimal API deployment
Docker Compose production-like setup
Health checks and basic rollback flow
Better observability and alerting

Home Lab / Side Lab

Separate home lab used for media, Pi-hole DNS filtering, ROM library, file browsing and private experimentation.