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rafaelmfried/README.md

Rafael Friederick

Backend engineer @ A3S Tecnologia · based in Salvador, Brazil.

Currently building unnamed-lab — a self-hosted Kubernetes platform running on bare-metal Proxmox. Go services, ArgoCD GitOps, observability stack (Prometheus / Grafana / Loki / Tempo), CloudNativePG, Kong.

Stack I operate in production

  • Go 1.25+ · Gin · pgx (no ORM) · hexagonal architecture
  • TypeScript / Node · NestJS · Next.js · TypeORM · CQRS
  • Kubernetes (k3s) · ArgoCD · cert-manager · MetalLB · Harbor
  • PostgreSQL 18 · Redis · RabbitMQ
  • Observability · OpenTelemetry · Prometheus · Grafana · Loki · Tempo
  • IaC · Terraform · Ansible

Currently exploring

  • Engaging with CNCF projects — open PRs in argo-cd and minikube
  • Bilingual tutorials on distributed systems & observability — tracing (PT for now, EN coming)

Reach out

Popular repositories Loading

  1. cloudnative-course cloudnative-course Public

    JavaScript 1

  2. tracing tracing Public

    Shell

  3. tracing-node tracing-node Public

    TypeScript

  4. tracing-go tracing-go Public

    Go

  5. minikube minikube Public

    Forked from kubernetes/minikube

    Run Kubernetes locally

    Go

  6. argo-cd argo-cd Public

    Forked from argoproj/argo-cd

    Declarative Continuous Deployment for Kubernetes

    Go