Martin Beranek – Medium

Martin Beranek

Debugging connection count to RabbitMQ from Kubernetes

This is going to be a short one. Have you ever needed to connect which consumer of RabbitMQ is which pod in Kubernetes? We recently had an…

2 min readApr 27, 2024

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Debugging connection count to RabbitMQ from Kubernetes

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Martin Beranek

Fun With NodeLocal DNSCache in Kubernetes Clusters

This is going to be a short one. Have you ever tried to use DNS for load balancing? I am not talking the fancy weighted or latency-based…

3 min readNov 5, 2023

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Fun With NodeLocal DNSCache in Kubernetes Clusters

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Martin Beranek

Terraform AWS Drift Checks

IaC (or “Infrastructure as Code”) is an IT management style all members of the technical world have to deal with because working in code…

6 min readNov 2, 2023

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Terraform AWS Drift Checks

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Martin Beranek

Analyzing Unexpected Expenses: AWS NAT Gateway and EKS Public Endpoint

When it comes to the cloud, the most frustrating area can be the NAT gateway. I have a basic understanding of how it works, but I am always…

5 min readAug 2, 2023

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Analyzing Unexpected Expenses: AWS NAT Gateway and EKS Public Endpoint

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Martin Beranek

Error: Error creating SslCertificate: googleapi: Error 409: The resource already exists…

What a weird title, huh? This is just a small manual how to go around this issue happening in Terraform if you need to change a TLS…

2 min readJul 27, 2023

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generated by midjourney

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Martin Beranek

Resolving mysterious exit 137 in Kubernetes GitLab runners

First, let me explain what an error I want to discuss. It usually displays itself during the job execution. It could happen at the…

6 min readJun 27, 2023

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Resolving mysterious exit 137 in Kubernetes GitLab runners

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Martin Beranek

How to ignore hyphens in the Elasticsearch

I recently stumbled upon a problem. I wanted to index data containing words divided by hyphens. The problem is that once the data were…

3 min readMay 2, 2023

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DALL-E idea a searcher trying to search in library ignoring hyphens

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Martin Beranek

Merging two Elasticsearch indices based on common key

I recently stumbled upon an assignment to merge two indices based on a shared key in each document. I was surprised that the answer to my…

3 min readApr 23, 2023

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DALL-E idea of merging data based on common key

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Martin Beranek
in
Ackee

Back to the Basics: Kubernetes Service Selector

Today, you will read about something you are familiar with. There is hardly anyone in infrastructure engineering who hasn’t worked with…

4 min readMar 31, 2023

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Back to the Basics: Kubernetes Service Selector

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Martin Beranek
in
Ackee

Secrets Store CSI Driver for EKS, isn’t there anything better?

I believe that you have come here because you were trying to find a better tool to get your secrets from AWS Secret Manager to your EKS…

5 min readFeb 21, 2023

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Secrets Store CSI Driver for EKS, isn’t there anything better?

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Martin Beranek

Martin Beranek

I am an Infra Team Lead at Shipmonk. My interest is Terraform mainly in GCP. I am also enthusiastic about backend and related topics: Golang, Typescript, ...

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