I Built a System That Catches Hackers in Real Time
I Built a System That Catches Hackers in Real Time The Problem It was a regular Tuesday morning at cloud.ng, a rapidly growing cloud storage company…
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Новый дачный сезон с Java, управлением сервера без интернета и AI моделью
Всем привет! Меня зовут Александр, это моя первая статья, хочу поделиться с вами историей создания программно-аппаратного open source решения для подд…
Building a Rolling-Baseline HTTP Anomaly Detector (No Fail2Ban)
Every VPS running a public web app gets hit with traffic it didn't ask for, from scrapers, brute-force login attempts, or just someone's misconfigured…
Docker 101: How I Mastered Docker Build Processes In One Night
Docker Competencies: Part 1/3 (BASIC) From "I've heard of it" to "I can ship it" Task 1: Create a Multi-Stage Build Write a Dockerfile for an app that…
Пишем быстрые UI-автотесты без флаков, стендов и боли: изоляционный подход в CI/CD
Большинство UI-тестов флакают, медленно работают и в итоге отключаются в CI. Показываю альтернативу — изоляционные UI-тесты без стендов, таймингов и б…
DevSecOps in Practice: Tools That Actually Catch Vulnerabilities - Part 5 - Container Scanning with Trivy
The previous parts secured the code and the infrastructure. This part secures the container image — the thing that actually runs in production. When y…
Stop Learning Docker for Dummies. Learn It Like a DevOps Engineer
Most Docker tutorials teach you commands. Not how Docker actually works in real systems. That's why people can run docker run but freeze when asked to…
Интеграция TOTP в OСSERV (FreeRADIUS + FreeIPA)
В данном руководстве приведена инструкция по внедрению двухфакторной аутентификации (2FA/TOTP) для VPN-доступа на базе OCSERV (OpenConnect Server) в с…
Auto AI Router: высокопроизводительный прокси-роутер для LLM API на Go
Auto AI Router — лёгкий прокси-роутер на Go, который принимает запросы в формате OpenAI API и прозрачно распределяет их между несколькими провайдерами…
Kubernetes v1.36 "Haru" overview
Released April 22, 2026. Kubernetes v1.36, just released on April 22, 2026, brings a wide set of improvements that feel less like experimentation and …
Docker for Beginners: From Zero to Running a Full Stack Locally in 10 Minutes
"Install PostgreSQL, then Redis, then Elasticsearch, configure these 12 environment variables, make sure you're on Node 20 not 18, and oh — the tests …
Remote Server Monitoring over VPN: A Docker Approach (Part 2)
Recap: Where We Left Off In Part 1 of this series, we established our secure foundation: an encrypted L3 bridge using AmneziaWG and Docker's Network N…
How I built a tool that actually proves your backups work before you need them
body: Every developer has a backup script. Almost nobody verifies that the backup actually restores. I learned this the hard way. Not in a production …
CI/CD Build Systems for Cloud-Native Applications
TLDR ; Multi-stage Docker builds with BuildKit caching reduce image sizes by 80% and build times by 60% Remote build caching shares artifacts across d…
Как создать базу данных на своём сервере с помощью Coolify
Coolify это бесплатный инструмент, который позволяет легко запускать приложения на ваших серверах и управлять ими через визуальный интерфейс…
Анализ и модернизация коннектора баз данных с помощью AI-агентов
4-я статья из цикла туториалов о вариантах кастомизации своего бизнес-портала в Битрикс24. Сегодня рассказываем о работе с уже существующим проектом ч…
Building docling-server: a one-command document API for our AI pipeline
Building docling-server: a one-command document API for our AI pipeline This is another one in the series where I walk through my open-source projects…
5 Docker Scenarios Every Developer Should Practice (With Fixes & Best Practices)
So you know the basics of Docker — docker run , docker build , maybe some docker compose up . But do you know what happens when things break? This gui…
Realtime transcription: choices and stories for PyCon IT
Why all this interest in realtime transcription It all started with the collaboration with PyCon IT. At PyCon IT 2025 they set up live transcription w…
Docker Kubernetes: What They Really Changed (It's Not What You Think)
"A Docker container is basically a lightweight VM, right?" No. That sentence alone causes more architectural misunderstandings than any other in moder…
Отказоустойчивый балансировщик 3proxy для n8n в Docker: лечим DNS-таймауты и ошибки доступа
Разбираем настройку отказоустойчивого балансировщика 3proxy для n8n в Docker. Фиксим DNS-затупы на 26 секунд через внутренний резолвер 127.0.0.11 и ре…
We Reduced DevOps Setup from Weeks to Minutes — Here’s How We Built InfraPilot
We kept running into the same problem over and over again. Setting up production infrastructure was slow, painful, and full of hidden complexity. CI/C…
Docker Container Keeps Restarting: Diagnosis and Fix Guide
Docker Container Keeps Restarting: Diagnosis and Fix Guide If docker ps shows your container in a perpetual restart loop, here's the systematic way to…
I let Claude AI decide whether to patch my Docker vulnerabilities — here's what it found
Every security scanner will tell you what's vulnerable. None of them will tell you what to actually do about it. You get a list. CVE IDs, severity bad…
Квантовый скачок n8n: миграция с Traefik 1.x и Postgres 11 на актуальный стек (Traefik 3.3 + PG 16) без потери данных
В этой статье поделюсь инструкцией по переносу, в которой учтены неочевидные баги несовместимости Traefik 3 с Docker API, политика безопасности свежег…
Как я перестал копипастить одно и то же в каждом Django-проекте и собрал boilerplate
Каждый раз, когда начинаешь новый SaaS-проект на Django, первые две недели уходят на одно и то же. Сначала — кастомная модель пользователя с UUID вмес…
How We Built Our Own DNS Server
We wrote a production DNS server in ~1000 lines of Go, migrated thousands of records off Hetzner DNS, and dropped propagation time from "up to 90 minu…
5 self-hosted ebook managers worth trying in 2026
If you're looking for a self-hosted way to manage your ebook collection, there are more good options than ever. Whether you want a simple web frontend…
How to Use SonarQube and SonarScanner Locally to Level Up Your Code Quality
Code quality tools can make a huge difference in improving your coding skills by helping you identify code smells, bugs, and potential vulnerabilities…
🌱 Reducing Carbon Footprint with Lightweight Docker Containers A DevOps Experiment on Image Optimization for Sustainability
🧭 Introduction In modern DevOps workflows, containerization has become a standard practice. However, most developers focus only on functionality and p…