@sergiidemianchuk

Sergii Demianchuk

@sergiidemianchukJoined February 2022

15 year's experience at IT. I am specialized at architecture for complex systems, search & recommendations systems, ML, devops, security, bi

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Sergii Demianchuk's blogs

Sergii blogsergii-demianchuk.hashnode.dev36 posts

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SDSergii Demianchuksergii-demianchuk.hashnode.devMay 17, 2025 · 4 min read

PHP REST API Cybersecurity

Hi, current article is a short representation of my course: “PHP REST API Cybersecurity”. In an increasingly connected world, cybersecurity is no longer just an IT concern – it’s a critical issue that affects businesses, individuals, and entire natio...

SDSergii Demianchuksergii-demianchuk.hashnode.devJan 14, 2024 · 4 min read

Aws Opensearch Benchmarks

Hi everybody. Recently, 04.12.2023-05.12.2023. I have a pleasant occasion to perform AWS OpenSearch service performance benchmarks. The reason for that has a rather long story, but I will try to shorten it as much as possible. There is one applicatio...

SDSergii Demianchuksergii-demianchuk.hashnode.devJul 21, 2023 · 1 min read

How to deploy HA Elasticsearch cluster using AWS ECS and terraform

Hi, Elasticsearch fans If you are interested at "How to deploy HA Elasticsearch cluster using AWS ECS and terraform", then welcome to series of articles related to it: HOW TO DEPLOY HA ELASTICSEARCH CLUSTER AT AWS ECS USING TERRAFORM - PART 1 DEPLO...

SDSergii Demianchuksergii-demianchuk.hashnode.devMay 26, 2023 · 2 min read

How to work with Elasticsearch 8 using Spring Boot 3 and Spring Data Elasticsearch 5.x

Hi, Java-Spring Boot-Elasticsearch fans Despite that Elasticsearch was upgraded from 7th to 8th version almost 2 years ago, Spring Boot and Elasticsearch package was adjusted to it relatively recently. When I had to upgrade my project to Elasticsearc...

SDSergii Demianchuksergii-demianchuk.hashnode.devApr 21, 2023 · 1 min read

How To Deploy A High Available Cluster At Aws Opensearch Using Terraform

Hi, devops fansIf you are interested at how to deploy HA OpenSearch cluster at AWS in details using terraformm then welcome to series of articles related to it: TERRAFORM OPENSEARCH MODULE PART 1 TERRAFORM OPENSEARCH MODULE PART 2 TERRAFORM OPENSE...

Sergii Demianchuk

About

Available for

Sergii Demianchuk's blogs

Recently published

PHP REST API Cybersecurity

Aws Opensearch Benchmarks

How to deploy HA Elasticsearch cluster using AWS ECS and terraform

How to work with Elasticsearch 8 using Spring Boot 3 and Spring Data Elasticsearch 5.x

How To Deploy A High Available Cluster At Aws Opensearch Using Terraform

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Sergii Demianchuk

About

Available for

Sergii Demianchuk's blogs

Recently published

PHP REST API Cybersecurity

Aws Opensearch Benchmarks

How to deploy HA Elasticsearch cluster using AWS ECS and terraform

How to work with Elasticsearch 8 using Spring Boot 3 and Spring Data Elasticsearch 5.x

How To Deploy A High Available Cluster At Aws Opensearch Using Terraform