---
title: "Kubernetes posts — Marcin Jasion"
description: "All Kubernetes posts by Marcin Jasion. 2 posts."
canonical: https://mjasion.pl/posts/kubernetes/
---

# Kubernetes

2 posts in this category.

- 2023-06-25 — [Implementing Leader Election in Golang using Kubernetes API](https://mjasion.pl/posts/kubernetes/implementing-leader-election-in-go-using-kubernetes-api/) — Learn how to implement a leader election mechanism in Golang using the Kubernetes API, leveraging lease locks and distributed coordination to ensure reliable task execution in distributed systems.
- 2022-04-25 — [How to debug Istio Upstream Reset 502 UPE (old 503 UC)](https://mjasion.pl/posts/kubernetes/how-to-debug-istio-upstream-reset/) — Fix Istio 502 UPE upstream_reset_before_response_started{protocol_error} errors. Real debug walkthrough using Envoy logs, Wireshark, and ksniff.