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This entire infrastructure — Kubernetes cluster, GitOps pipeline, monitoring stack, and demo app — is running live on a single ARM server provisioned for free on Oracle Cloud.
A complete DevOps ecosystem running on a single ARM instance
All data below is fetched live from the Kubernetes API
A 3-tier application where virtual creatures live as Kubernetes pods. Feed them or they die! All metrics flow to Prometheus & Grafana in real-time.
Interactive UI to adopt, feed, play with, and monitor your creatures. Dark theme with real-time stat bars.
Open App →Node.js REST API with custom Prometheus metrics: hunger_level, happiness_score, energy_level, feed/play/sleep counters.
View API →Custom metrics scraped by Prometheus every 15s, visualized in a dedicated Grafana dashboard with gauges, time series, and alerts.
Open Grafana →A deep dive into the engineering challenges faced and overcome while deploying this architecture on Oracle Cloud.
Access all tools directly. Visitor accounts are read-only for security.
GitOps continuous delivery. See application sync status, health, and history.
guest / visitor2026
Dashboards for K8s metrics, Tamagotchi stats, and application performance.
admin / admin2026
Query raw metrics with PromQL. Explore Tamagotchi custom metrics.
No authentication
Self-hosted Git server. Browse the Tamagotchi source code and K8s manifests.
Public repos
The live 3-tier demo app. Adopt creatures, see metrics flow through the entire stack.
Interactive!
Native Continuous Integration pipeline compatible with GitHub Actions.
Login via Gitea
Powerful workflow automation tool to connect apps and APIs without coding.
Admin Access
Ultralight Service Mesh providing observability, reliability, and security.
No authentication