Eugene Khyst
eugene-khyst
Principal Software Engineer and Software Architect. Creator of ArtistAssistApp - the best painting and drawing assistant app 🎨🖌️
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A reference implementation of an event-sourced system that uses PostgreSQL as an event store built with Spring Boot. Fork the repository and use it as a template for your projects. Or clone the repository and run end-to-end tests to see how everything works together.
Set up Nginx and Let’s Encrypt in less than 3 minutes with a Docker Compose project that automatically obtains and renews free Let's Encrypt SSL/TLS certificates and sets up HTTPS in Nginx for multiple domain names. Configuration is done using a simple CLI tool.
ArtistAssistApp is a web app for artists to accurately mix any color from a photo, analyze tonal values, turn a photo into an outline, draw with the grid method, paint with a limited palette, simplify a photo, remove the background from an image, compare photos pairwise, and more.
Spring Data JPA, Spring Data JDBC, and Spring Data R2DBC examples and a comprehensive guide to JPA fetching and locking strategies.
EventStoreDB is the database for Event Sourcing. This repository provides a sample of event sourced system that uses EventStoreDB as event store.
Kafka is not for event sourcing, isn't it? Kafka alone is not an event store, but Kafka and ksqlDB together allow building full-featured event stores. This repository provides a sample of event sourced system that uses Kafka and ksqlDB as event store.
Repositories
13A reference implementation of an event-sourced system that uses PostgreSQL as an event store built with Spring Boot. Fork the repository and use it as a template for your projects. Or clone the repository and run end-to-end tests to see how everything works together.
ArtistAssistApp is a web app for artists to accurately mix any color from a photo, analyze tonal values, turn a photo into an outline, draw with the grid method, paint with a limited palette, simplify a photo, remove the background from an image, compare photos pairwise, and more.
Set up Nginx and Let’s Encrypt in less than 3 minutes with a Docker Compose project that automatically obtains and renews free Let's Encrypt SSL/TLS certificates and sets up HTTPS in Nginx for multiple domain names. Configuration is done using a simple CLI tool.
The example of using Podman with Testcontainers in Java projects, that use Gradle on Ubuntu Linux and MacOS (both x86_64 and Apple silicon).
Spring Data JPA, Spring Data JDBC, and Spring Data R2DBC examples and a comprehensive guide to JPA fetching and locking strategies.
PostgreSQL performance essentials in 1 hour
An interactive web application for comparing entities using the pairwise comparison method
Kafka is not for event sourcing, isn't it? Kafka alone is not an event store, but Kafka and ksqlDB together allow building full-featured event stores. This repository provides a sample of event sourced system that uses Kafka and ksqlDB as event store.
EventStoreDB is the database for Event Sourcing. This repository provides a sample of event sourced system that uses EventStoreDB as event store.
The example of server-side geo clustering using relational database (SQL) and geohash index
Automatically insert or update a clickable table of contents (TOC) into your Markdown documents based on its headings using CLI or JavaScript module. Perfect support for README.md files on GitHub.
A sample of non-blocking retries and dead letter topics (aka reliable reprocessing and dead letter queues) with Apache Kafka using Spring Boot and Spring Kafka.
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