DevOps - ITNotes

Navigating Self-Hosted PaaS: My 2 AM Rescue with Coolify (Heroku Alternative)

March 25, 2026

Tired of high Heroku costs and limited control? Discover Coolify, a powerful self-hosted PaaS alternative. This guide covers installation, configuration, and monitoring, ensuring stable and cost-effective application deployments.

DevOps

Comprehensive Observability in DevOps: A Guide to OpenTelemetry

March 25, 2026

This guide demonstrates how to implement comprehensive observability in DevOps using OpenTelemetry. Learn to unify traces, metrics, and logs for faster incident response and a deeper understanding of your distributed systems, complete with practical code examples.

DevOps

Optimizing Microservices Management on Kubernetes with Istio Service Mesh: A 6-Month Production Review

March 22, 2026

Six months of running Istio Service Mesh in production showed us its true value for managing Kubernetes microservices. This tutorial walks you through installation, configuring traffic, bolstering security, and using powerful monitoring tools to truly understand your applications.

DevOps

Integrating OWASP Dependency-Check into Your CI/CD Pipeline for Stronger Security

March 21, 2026

Learn how to integrate OWASP Dependency-Check into your CI/CD pipeline to automate the detection of known vulnerabilities in your project's dependencies. This tutorial covers setup, configuration, and practical examples for building a robust software supply chain.

DevOps

GitOps with ArgoCD — Auto Deploy from Git

March 18, 2026

Explore how GitOps, combined with ArgoCD, transforms Kubernetes deployments. This tutorial guides junior developers in setting up automated, Git-driven deployments, ensuring consistent and stable application delivery from development to production.

DevOps

Optimize Kubernetes Application Access with Ingress Nginx Controller

March 18, 2026

Dive into mastering Kubernetes application access with this comprehensive guide to the Nginx Ingress Controller. Discover the step-by-step process for deployment, configuration, and advanced routing, including SSL/TLS termination and basic authentication. It's an essential resource for junior developers aiming to efficiently and securely manage external traffic.

DevOps

CI/CD Pipeline with GitHub Actions: Automate Your Deployments Today

March 15, 2026

Learn how to build a CI/CD pipeline with GitHub Actions from a simple 5-minute setup to production-grade deployments with Docker, matrix builds, and environment protection rules. Practical examples from real pipelines included.

DevOps

Git from Basic to Advanced: Mastering Branch, Merge, and Rebase for Seamless Collaboration

March 14, 2026

This tutorial explores Git's essential features for collaborative development: branching, merging, and rebasing. It provides practical command-line examples and best practices to maintain a clean, efficient project history and streamline team workflows.

DevOps

Terraform – Infrastructure as Code for Beginners: A Practical Guide

March 14, 2026

Terraform – Infrastructure as Code for Beginners: A Practical Guide Context & Why: The Challenge…

DevOps

Mastering AWS EC2: Create & Manage Cloud Servers for Production Stability

March 10, 2026

Dive into AWS EC2 with this comprehensive guide. Drawing from six months of production experience, it covers everything from launching your first instance to advanced management, sharing practical tips for stability, cost optimization, and security.