Authorsergii-demianchuk

Software engineer with over 18 year’s experience. Everyday stack: PHP, Python, Java, Javascript, Symfony, Flask, Spring, Vue, Docker, AWS Cloud, Machine Learning, Ansible, Terraform, Jenkins, MariaDB, MySQL, Mongo, Redis, ElasticSeach

How to build recommendation system using ElasticSearch

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At that article we are going to speak about Recommendation Systems. And we will start from theory as always. So what does it mean at all? Recommendation System (RS) – is a subclass of information filtering system that seeks to predict the “rating” or “preference” a user would give to an item. Recommender systems are used in a variety of areas. Examples: playlist...

Elasticsearch how to build search system

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Current article is devoted to the problem of building advanced search system using ElasticSearch. We are going to create a real example of a simplified booking.com version but with some super additional features. Imagine that you are a software engineer and your boss gave you a task to build the whole backend. After analyzing all design mockups and functional requirements you have created some...

Elasticsearch basics

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Hi, that is a higher level post that will include different articles around Elasticsearch basics theme. Here I will try to discuss next aspects: elasticsearch data layer architecture; elasticsearch document oriented nature; how to work with elasticsearch using REST API and such tools as: curl package, elasticsearch head plugin, postman; how to validate and format JSON objects; base CRUD...

architecture AWS cluster cyber-security devops devops-basics docker elasticsearch flask geo high availability java machine learning opensearch php programming languages python recommendation systems search systems spring boot symfony