Интеграционные тесты в Java: ускоряем Testcontainers через tmpfs и прединициализацию
Testcontainers - Java-библиотека, которая управляет Docker-контейнерами прямо из тестового кода. Во время выполнения тестов она запускает нужный конте…
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Building and Deploying Spring Petclinic Microservices on AWS: My Experience as Co-Project Lead and App & Docker Lead
Introduction As part of the DMI (DevOps Micro Internship) Cohort 2, our team successfully deployed the Spring Petclinic Microservices application on A…
Deploying Spring Petclinic Microservices with Docker Compose: A Complete DevOps Walkthrough
Introduction As part of my DevOps learning journey in DMI Cohort 2, I deployed the Spring Petclinic Microservices application locally using Docker Com…
From Variant CSV to Review-Ready Report: A Python Workflow With Docker and GitHub Actions
Variant prioritisation often starts with a table. But a table alone does not answer the most important question: Which variants deserve closer review,…
Docker Security Best Practices for Beginners
Docker is a game-changer for developers—making it easier to package, ship, and run applications. But with great power comes great responsibility. Whet…
Building a Universal Container System (So I Never Have to Write Another Dockerfile)
TL;DR: Built a modular Dockerfile system that lets you compose dev/prod containers using build arguments instead of writing custom Dockerfiles. Includ…
DynamoDB and SQS containers with Docker Compose
Docker Compose facilitates spinning up local AWS-compatible services without an AWS account. This post covers DynamoDB Local for key-value storage and…
You Might Not Need Docker: The Case for Lightweight, Headless VMs
Lately, whenever I need to run a quick experiment or spin up a localized environment with multiple moving pieces, I've completely stopped using Docker…
Testing Neovim in a Container with Finch (like Docker)
So developers like CI... for everything! We do this because we like things to be automated. Building software is tedious and risky. If we can push a c…
My complete self-hosting stack: Docker Compose + hardening scripts I use on Hetzner (sharing everything)
Originally written for r/selfhosted on Reddit — sharing here for the dev.to community. After running my self-hosted setup for 2+ years on a single Het…
GPU_WORKLOAD_MISMATCH: A Novel Security Finding Category for AI Container Workloads
Defensive Publication: GPU_WORKLOAD_MISMATCH A Novel Security Finding Category for AI Container Workloads Author: Carnell Smith, Champtron Systems LLC…
Services without Docker-in-Docker: how PikoCI handles test dependencies
If you've ever needed a database for your integration tests in CI, you've probably encountered one of these solutions: Docker-in-Docker. A separate do…
Deploying Hermes WebUI with Docker — The 8 Errors I Hit and How to Fix Them
Deploying Hermes WebUI with Docker — The 8 Errors I Hit and How to Fix Them I needed a web UI for the Hermes Agent. Docker Compose looked simple. Eigh…
«У меня работает»: десять способов узнать, что нет
Я думал, проект готов к релизу. CI думал иначе — и оказался прав десять раз. История про то, что видно только на чистом раннере. «Полностью готовый» и…
Day 25 - Helm Chart
Kubernetes is powerful, but managing Kubernetes YAML files manually becomes difficult very quickly. A simple application may need: Deployment Service …
How to Install Docker Desktop on Windows 11 (Step-by-Step Guide for 2026)
Containerization is a standard practice in modern software development. If you are developing, testing, or deploying applications, Docker is likely al…
Личный CI/CD за один вечер: настраиваем GitLab Runner на собственном VPS
Если у вас пет-проект или небольшой стартап на GitLab.com, рано или поздно вы упрётесь в потолок бесплатного тарифа: 400 минут пайплайнов в месяц и об…
Stop Typing Long Docker Compose Commands — compose-lazy Does It Interactively
If you work with Docker Compose daily, you've typed some version of this hundreds of times: docker compose -f docker-compose.prod.yml --profile dev ex…
Your NAS Is Loud Because of Docker (and How to Fix It)
You buy a NAS for silent, always-on storage. It sits in a corner, humming quietly, doing its thing. You installed Docker on it for the same reason I d…
I built a container escape audit tool — here's what v4.0 adds
canonical_url: https://github.com/liamromanis101/K8s-container_escape_audit Container security tooling tends to fall into two camps: heavyweight scann…
Final Project: Cloud Full-Stack Deployment
☁️ Final Project: Cloud Full-Stack Deployment Proyek ini mendokumentasikan proses deployment aplikasi web (Node.js + Nginx) ke AWS EC2 menggunakan Doc…
Frank: your supercharged Laravel Sail alternative
Today I'm super excited to come out of the shadows (as a "corporate developer") and finally propose the community something that (maybe) can be useful…
The Habit That Was The Bug
The first time it happened, I lost 45 minutes diagnosing it. By the tenth or so, I was muscle-memory typing the fix before the symptoms finished regis…
I Deployed My Go Backend to a Real VPS. Here's Exactly What Happened.
In Part 14 , I finished HMAC webhook signing. The backend was complete — JWT auth, PostgreSQL, Redis caching, rate limiting, circuit breaker, worker p…
Voices from the Community: Forewords and Praise for 'Docker and Kubernetes Security'
When I decided to self-publish Docker and Kubernetes Security in early 2025, I never imagined the incredible support from the community that would fol…
Как дебажить distroless-контейнер в Kubernetes без shell: ephemeral containers на практике
В прошлой статье мы разбирали kubectl describe pod : как читать вывод, в котором Kubernetes уже часто сам написал причину проблемы — в Events, Conditi…
Demystifying EPUB to PDF: Handling Complex Input Schemas and Securing Microservices Without Leaking JWT Claims
Demystifying EPUB to PDF: Handling Complex Input Schemas and Securing Microservices Without Leaking JWT Claims\n\nLet's be completely honest: handling…
How I Hosted a Production AI App for $10/Year — HuggingFace Spaces + Cloudflare Worker
The Problem Everyone Gets Wrong Every "deploy your AI app" tutorial sends you to Railway, Render, or Vercel. Railway gives you 512MB RAM — not enough …
One container to replace Grafana + Loki + Tempo + Prometheus
The standard observability stack: Grafana + Loki + Tempo + Prometheus. Four services to deploy, four configs to learn, dashboards to set up before you…
ShareBox v5 — GPU transcoding, Netflix-style grid, and why I don't need Plex anymore
I wanted to send a movie link to a friend. Plex wanted me to scan a library, create an account, configure metadata agents. Jellyfin was lighter but st…