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How to Build Nginx Smart Proxy Image with Multi-Domain Support
Prologue: The Vision In the vast digital landscape where countless applications struggle to find their voice, where developers battle with manual configurations, and where SSL certificates expire silently in the night—a vision was born. A vision to create something extraordinary: a reverse proxy that thinks, adapts, and evolves. A system that doesn’t just route traffic,…
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How to Fix Cloudflare DNS Authentication Error 6003
The Great Migration: From Global API Keys to Secure Tokens In the early days of our infrastructure automation, we built a custom Nginx container image. This image was designed to serve as a reverse proxy and SSL certificate management layer for our internal services. It was a workhorse—handling routing, SSL termination, and automatic certificate generation…
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When Upgrades Expose Hidden Problems: The Traefik Deployment Journey
The Discovery – An Ancient Version in a Modern Stack It started with a routine check of our infrastructure. We were reviewing our Traefik configuration. A quick check revealed we were using Traefik 2.8 – a version released 3 years ago in 2022. The current version at that time was 2.11.x, and we were significantly behind. This raised a…
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DevOps Story: How We Fixed 92 Blocked Migrations in One Day
Date: November 03, 2025 Journey: From Legacy System to Updated Version Duration: 730 Days Without Updates Prologue: The Wake-Up Call It was early morning when the first alert came through. 3:47 AM. The notification buzzed on our phones. Then another. And another. Red warning lights flashing on the monitoring dashboard, each one telling us something…
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How to Install docker-ai on Ubuntu 24.04
Supercharge Your Docker Workflow with docker-ai: An Interactive Command Companion Tired of forgetting the exact syntax for a docker command? Wish you had a patient tutor to teach you Docker concepts offline? Meet docker-ai, a smart, interactive command-line tool designed to be your personal Docker assistant.docker-ai is a versatile shell that comes in two powerful modes: This guide will walk…
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How to Self-Host a Private AI Chat That’s Faster Than ChatGPT
Self-Host Open-WebUI with Groq, Docker, and HTTPS on Ubuntu 24.04 This guide will walk you through setting up your own instance of Open-WebUI, a user-friendly web interface for LLMs. We will use the fast Groq API as the AI backend and secure the connection with HTTPS using a custom domain. Prerequisites Before you begin, you…
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How to Achieve Zero-Downtime in Docker
Mastering Seamless Updates: Why Zero-Downtime Docker Compose Deployments with docker-rollout Are a Must-Know In the world of application deployment, nothing disrupts user experience quite like downtime. Imagine your website or service going offline, even for a brief moment, every time you push an update. For many developers and system administrators running applications with Docker Compose,…
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How to Install and Configure GitLab on Ubuntu 24.04 LTS
Your Own GitLab Server: A Beginner-Friendly Guide to Installing on Ubuntu 24.04 So, you’re looking to take control of your code repositories and development workflow? GitLab is a fantastic open-source platform that lets you do just that! Think of it as your personal hub for hosting Git projects, tracking issues, and collaborating with your team,…
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Mastering Kubernetes Deployments: A Refreshing Guide for Beginners Day-16
Hey there! Imagine it’s the hottest day of summer, and you’re running the most popular lemonade stand in town. Your secret recipe has everyone lined up around the block. Life is good, right?But wait… Suddenly: Managing all of this manually would be overwhelming. That’s exactly why Kubernetes, an open-source system, exists—it’s like having a super-smart manager for your…
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How to Organize Your Kubernetes Cluster with Labels and Selectors: Day-14
Imagine Your Room Full of Toys 🧸 Think of your bedroom filled with all your toys scattered everywhere. You have toy cars, dolls, building blocks, stuffed animals, and puzzles all mixed up together. When you want to play with a specific toy, it’s hard to find it in the mess. Wouldn’t it be easier if…