Alena Varkockova – Medium

Alena Varkockova

Alena Varkockova

Kubernetes operators best practices: understanding conflict errors

One of the most prevalent errors one encounters when developing an operator is ‘the object has been modified; please apply your changes to…

2 min readApr 3, 2021

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Alena Varkockova

Kubernetes operator best practices: Implementing observedGeneration

There’s a lot of hidden knowledge in core controllers and api conventions doc that is not followed by many controllers in the wild. One of…

3 min readFeb 9, 2021

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Alena Varkockova

Remote retrospecives using Trello

Having regular retrospectives is important and that is even more true when working remotely. It’s a good way to connect and bond with your…

4 min readJan 17, 2021

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Remote retrospecives using Trello

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Alena Varkockova

An example of a goroutine leak and how to debug one

When I approach a function that is combining running a piece of code in a goroutine and communication/cancellation using channels, I am…

2 min readJan 16, 2020

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Alena Varkockova

Shallow copy of a go struct in golang is never a good idea

I got burned by this several days ago that forced me to push to write this blogpost to prevent other people from having the same…

2 min readOct 28, 2019

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Alena Varkockova

gofmt, goimports, goreturns — why do we need three formatters?!

I started working on a new golang project today and I spent bigger portion of my morning just trying to understand the formatter situation…

2 min readApr 12, 2019

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Alena Varkockova

What’s the difference between runc, containerd, docker?

Container space seems to be very fragmented in the past months and it’s getting more and more crowded every day. To be honest I miss times…

3 min readJun 25, 2018

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What’s the difference between runc, containerd, docker?

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Alena Varkockova

Alena Varkockova

Passionate about traveling, food and programming. Tennis player that works on container orchestration at Mesosphere. Always trying to improve.

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