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arthurcgc/README.md

Arthur Coelho

Software engineer working with production Kubernetes β€” and the gnarly cross-layer debugging that comes with it.

Background in Go and Kubernetes infrastructure. Former Tsuru maintainer and contributor across the Tsuru ecosystem and the broader Kubernetes tooling community. Currently going deeper on service mesh and Linux networking, building tooling for my own developer workflows on the side.

What I Do

  • πŸ’¬ Ask me about: Kubernetes platform engineering, service mesh, Go infrastructure, incident response
  • πŸ”­ Currently exploring: Istio internals, Cilium, self-hosted LLM stacks
  • πŸ€– Building mcp-raven β€” a long-term memory MCP server for Claude Code
  • ⚑ Fun fact: I'm pretty good at Counter Strike

Tech Stack

Languages: go python

Tools: kubernetes helm istio docker

Projects

  • mcp-raven β€” MCP memory server for Claude Code; "context stuffing over embeddings, files as database"
  • mywebui β€” Open WebUI setup with custom actions for news aggregation, web scraping, and AI workflow automation
  • homelab β€” Self-hosting setup
  • WAF Operator β€” Kubernetes operator for managing WAF configs

Open Source Contributions

Ordered by relevance and depth of involvement.

  • tsuru/tsuru β€” open-source PaaS. Former maintainer. Shipped Jobs & Cronjobs, leader election, versioned-service deploy fixes, build-time log streaming, unit-status persistence, and a long tail of app lifecycle improvements.
  • tsuru/rpaas-operator β€” Reverse Proxy as a Service operator. Contributed RPaaS v2 logs, extra files support, plugin-allowed-upstreams, and Delete API for the rpaasv2 plugin.
  • derailed/k9s β€” Kubernetes CLI UI. Contributed HPA color highlighting for at-max-replicas state.
  • tsuru/kubernetes-router β€” Tsuru's Kubernetes router. Contributed multi-vhost and multi-TLS-host support.
  • stern/stern β€” Multi-pod log tailing for Kubernetes. Contributed exported follow option in TailOptions.
  • tsuru/deploy-agent β€” Tsuru's deployment agent. Contributed job build image capability.

Achievements

SadServers HackerRank

Connect

LinkedIn

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  1. tsuru/tsuru tsuru/tsuru Public

    Open source and extensible Platform as a Service (PaaS).

    Go 5.3k 551

  2. tsuru/tsuru-client tsuru/tsuru-client Public

    tsuru-client is a tsuru command line tool for application developers.

    Go 102 83

  3. tsuru/rpaas-operator tsuru/rpaas-operator Public

    RPaaS operator manages reverse proxy as service instances inside a Kubernetes cluster

    Go 38 29

  4. waf-operator waf-operator Public

    Go