// Topic
Docker, CI/CD, releases, monitoring, observability, and incident handling.
Typical tasks
// Materials on this topic
41 articles
2026-01-19
When Docker first appeared, it was loved for the slogan: “Build once, run anywhere”. Developers stopped hearing the phrase “it works on my machine, but not on the server.” But along with convenience came a new threat. A …
2026-01-13
Imagine this scenario: you’ve been working on a cool project all night. By 4 a.m. everything is ready, you do a final git push and go to sleep with a clear conscience. In the morning you find your AWS balance is …
2026-01-12
Write a Dockerfile simply: FROM node, COPY ., CMD run. It works, and for local tests this is often enough. But when such an image reaches CI/CD or, God forbid, production, problems begin: builds take forever, the image …
2025-12-31
If you do self-hosting, run a home lab, or manage a small VPS, you’re probably familiar with Portainer. It’s the de-facto standard: a powerful, all-encompassing “Swiss Army knife” for Docker. But …
2025-12-23
Over the last ten years the web application deployment industry has evolved from FTP scripts and rsync to highly complex orchestration systems. Today developers and small teams increasingly face a difficult choice: …
2025-11-27
If your business works with users from Russia, the question of where personal data is stored concerns you directly. Phones, names, email addresses, form submissions, employee data — all of this falls under strict …
2025-11-21
Moving to the cloud or changing providers is always open-heart surgery. An engineer has to solve a lot of issues: how to move terabytes of data with minimal downtime? How to convert the schema? How to set up CDC (Change …
2025-11-20
You deployed a new feature. Everything works perfectly on your local machine, and you’re happy with the result. Then a message appears: “Nothing works for me.” You open the server logs — they’re …
2025-11-19
Introduction: why “lab” metrics aren’t everything “Lighthouse shows 100/100, but users complain about lag” — a familiar pain? Synthetic tests (Lighthouse, WebPageTest) are great for …
2025-11-14
A Simple Guide for Beginners: Jenkins → GitLab → GitHub → GitOps Hello! Are you just starting your DevOps journey or tired of hearing “and we use CI/CD” in interviews? Want to finally understand why code that …
2025-10-31
n8n is a powerful open-source workflow automation tool that allows building complex workflows without deep programming. One of the key scaling mechanisms in n8n is queue mode, where the main instance delegates task …
2025-10-30
A PostgreSQL proxy or connection pooler is an intermediary application that sits between your client applications and one or more PostgreSQL servers. It speaks the PostgreSQL network protocol, which allows any standard …
2025-10-25
In the world of modern applications, especially in the era of AI and big data, storing unstructured data is a key challenge. MinIO is a high-performance object storage distributed under the AGPLv3 license. It is fully …
2025-10-08
Congratulations! You just set up your web server (LAMP, LEMP, or something else) and are ready to build awesome websites. You have an operating system, a web server, a programming language, but one important puzzle piece …
2025-10-07
Hello, aspiring web developer! 👋 If you’re just diving into the world of building websites, you’ve probably already heard of LAMP and LEMP. These acronyms sound like something out of a spy movie, but in …
2025-10-02
Introduction Data is the foundation of any business. Where and how you store it affects security, performance, and company growth. Today, entrepreneurs face a strategic choice: use their own equipment (local storage) or …
2025-09-20
Introduction Business process automation has become a standard: whether it’s integrating CRM with messengers, data processing, or DevOps tasks. In this article, we’ll look at what automation tools exist, how they …
2025-09-07
Introduction We are used to using convenient services like Google Meet or Zoom. But what if you are a doctor, mentor, or consultant for whom privacy and full control over client data are crucial? Let’s compare two …
2025-09-06
Introduction Choosing a web server and reverse proxy today depends on tasks and infrastructure. Caddy, Traefik, HAProxy, Nginx, and Apache are five popular solutions, each with its strengths and weaknesses. In this …
2025-09-05
Introduction Unlike Caddy, which focuses on simplicity, Traefik (pronounced Traffic) was built to solve one specific task: routing traffic in dynamic environments. It is a reverse proxy and load balancer designed …
2025-09-04
Introduction In a world where setting up a web server often requires studying complex configuration files, Caddy offers a radically different approach. It is a modern, multifunctional web server, reverse proxy, and …
2025-08-16
Keenetic: A Router Whose Main Asset Is Its Operating System A Quick Look at Keenetic In the world of home routers, where most devices come with proprietary, bloated firmware, Keenetic stands out with its unique approach. …
2025-08-04
What is Virtualization? Virtualization is a technology that allows the creation of virtual versions of resources such as servers, operating systems, storage, or networks. It makes it possible to run multiple …
2025-08-03
Introduction to Dokploy: Manage Docker Apps on Your Terms In previous articles, we explored powerful SaaS deployment platforms like Vercel and Netlify, which offer simplicity and speed by letting a third party manage …
2025-08-02
Introduction to Netlify: A Pioneer of JAMstack In the fast-paced world of frontend development, Netlify has established itself as one of the leading platforms for building, deploying, and managing modern web projects. …
2025-08-01
Introduction to Vercel: A Platform for Frontend In the era of rapidly evolving frontend frameworks and static websites, Vercel has become an indispensable tool for many developers. Positioning itself as a …
2025-07-31
Introduction: Where to deploy your web application? Modern web developers face a huge variety of tools and platforms for deploying their projects. From simple static sites to complex full-fledged web applications and …
2025-07-27
In today’s world, where every aspect of business depends on IT, and downtime is measured not only in lost revenue but also in missed opportunities and reputational damage, connection stability becomes a critically …
2025-07-25
n8n + Appwrite: An Open-Source Firebase Alternative for Self-Hosting We’ve already explored Supabase and Firebase — now it’s time to look at Appwrite, a powerful and fully open-source BaaS platform designed for …
2025-07-21
Loki + Grafana: A Lightweight and Cost-Effective Logging Solution for the Cloud We’re wrapping up our series on centralized logging with a modern and innovative solution: Loki together with Grafana. Developed by Grafana …
2025-07-20
Graylog: A Flexible and User-Friendly Log Management Solution We’ve already covered ELK Stack and OpenSearch — powerful logging tools with scalable architectures. Now let’s take a look at Graylog — a dedicated log …
2025-07-19
We’ve explored the ELK Stack, its power — and, unfortunately, its licensing changes. These changes sparked debate within the open-source community and led to the creation of a worthy alternative — OpenSearch. OpenSearch …
2025-07-18
ELK Stack (Elasticsearch, Logstash, Kibana): The Classic Stack for Log Collection and Analysis After establishing that centralized logging is not just a convenience but a necessity, it’s time to dive into specific tools. …
2025-07-17
Why Do We Need Centralized Logging? Making Sense of Log Chaos We’ve already discussed the importance of metrics monitoring for understanding the health of your IT infrastructure. But metrics are only part of the picture. …
2025-07-16
In our series on monitoring systems, we’ve reviewed Munin, Prometheus with Grafana, and Zabbix. Now it’s time to talk about a solution that addresses one of the main pain points of Prometheus users — long-term, scalable, …
2025-07-15
We’ve already looked at Munin for basic insights and Prometheus + Grafana for cloud environments. Now let’s turn to Zabbix — a powerful, versatile, and scalable monitoring system that offers a comprehensive …
2025-07-14
We’ve reviewed Munin as a simple solution for basic monitoring. Now let’s move on to a stack that has become an indispensable tool in the world of modern cloud infrastructure, microservices, and containers: Prometheus, …
2025-07-13
After our introductory journey into the world of monitoring, it’s time to explore specific tools. Let’s start with one of the oldest yet still relevant solutions for those who value simplicity and clarity — …
2025-07-12
In today’s world, where digital technologies penetrate every sphere of life, the stable operation of IT infrastructure is not just a desirable condition — it is a critical necessity. Whether it’s a small website, a large …
2025-07-09
Introduction to Plesk Plesk is another global leader in web hosting control panels, often competing with cPanel for the top spot. What makes Plesk stand out is its modularity, flexibility, and focus not only on …
2025-07-02
Part 2: n8n: Cloud vs Self-Hosted Solutions – Which to Choose? After discovering the capabilities of n8n, a logical question arises: “How do I start using it?” n8n offers two main deployment approaches, each …