#DevOps

47 tutorials tagged with "DevOps"

GitHub Actions Grew Three Knobs. August Showed Why You Need Them

The 3 September changelog added a runner deprecation API, a least-privilege Dependabot permission, and job-level identity for reusable workflows. The August availability report is the incident those knobs exist for.

devops

Docker Multi-Stage Builds: A Practical Guide to Production-Ready Images

Master multi-stage builds to create smaller, more secure Docker images. Learn builder patterns, caching strategies, and real-world examples.

docker

Docker Init: Scaffold Any Project With Best-Practice Containers in One Command

Stop copy-pasting Dockerfiles from Stack Overflow. Docker init detects your stack and generates a Dockerfile, .dockerignore, and compose.yaml that follow Docker's own best practices.

docker

Argo CD: A Complete GitOps Guide for Kubernetes

Install, configure, and use Argo CD for GitOps on Kubernetes. Set up applications, manage sync policies, configure RBAC, and build a production-ready deployment pipeline.

devops

Docker Build Secrets: How to Stop Leaking Credentials Into Your Image Layers

A practical guide to using BuildKit's --secret flag to keep passwords, tokens, and keys out of your Docker images for good.

docker

Your CI/CD Pipeline Is the Next Target: Lessons from the TeamPCP Supply Chain Attack

How 2,500+ companies lost 78,330 secrets through a single compromised dependency - and the practical steps to protect your pipelines.

devops

Why AI-Generated Security Patches Fail 74% of the Time (And What to Do Instead)

A new study of 6,000+ patches reveals AI models can't reliably fix security vulnerabilities. Here's what server administrators and DevOps engineers need to know.

security

Platform Engineering in 2026: Building an Internal Developer Platform That Actually Works

Stop drowning in Kubernetes YAML. Platform engineering gives developers self-service infrastructure without the DevOps bottleneck. Here's how to build one.

devops

Docker Image Optimization: Slim Bases, Multi-Stage Builds, and the 832MB Lesson

Your Docker images are probably 3x bigger than they need to be. Here's how to cut them down with slim bases and multi-stage builds, and why it matters in production.

docker

Incident Response Runbooks: A Practical Guide for DevOps Teams

How to build, maintain, and automate incident response runbooks that cut your mean time to resolution in half. Includes templates, automation examples, and postmortem workflows.

devops

Automating Container Health Checks in CI/CD Pipelines: A Practical Guide

Learn how to integrate Docker health checks into your CI/CD pipeline to catch failing containers before they reach production. Covers GitHub Actions, container monitoring patterns, and automated rollback strategies.

devops

Docker Hardened Images: What They Are and Why Your Production Containers Need Them

Docker's new Hardened Images (DHIs) bring signed attestations, distroless variants, and compliance-ready configurations to container security. Here's what sysadmins and DevOps engineers need to know about deploying them in production.

docker

SleeperGem Attack Hid Malware in Dormant RubyGems Packages for Years Before Striking Developer Machines

The SleeperGem supply chain attack reactivated packages dormant since 2017, impersonated Microsoft's Git Credential Manager, and avoided CI/CD detection. Here's how it worked and what to check on your systems.

devops

Stop Manually Restarting Crashing Containers: Health Checks and Auto-Healing in Docker 2026

Docker health checks have been around for years, but most people still use them wrong — or not at all. This guide covers proper HEALTHCHECK directives, Docker Compose health check patterns, and how to combine them with auto-healing for production workloads.

devops

CISA Didn't Have an Incident Response Playbook When Its Own AWS Keys Leaked. Here's What Every DevOps Team Should Learn.

The US government's cybersecurity agency got caught without an incident response plan when a contractor exposed AWS GovCloud keys on GitHub. The post-mortem is a masterclass in what not to do — and a checklist for teams that think 'it won't happen to us.'

devops

Flux CD: A Practical Guide to GitOps on Kubernetes

Get started with Flux CD for GitOps on Kubernetes. Bootstrap a cluster, sync manifests from Git, automate image updates, and understand the reconciliation loop — with real commands, not theory.

devops

Docker Compose Watch: Kill the Rebuild Loop and Hot-Reload Like It's 2026

Stop rebuilding entire container images every time you change a line of code. This hands-on guide covers Docker Compose Watch's sync, rebuild, and sync+restart actions with real-world examples for Node.js, Python, and Go development.

docker

Docker Log Rotation Done Right: Stop Your Containers from Eating Your Disk

Unchecked container logs can quietly fill your production disk in days. This guide covers Docker logging drivers, rotation configs, and a Loki+Grafana stack so you never wake up to a full /var/lib/docker again.

docker

Docker Compose Profiles: Stop Starting Services You Don't Need

Learn how to use Docker Compose profiles to selectively start services for development, testing, and production — all from a single compose file. Practical examples with debug tools, monitoring stacks, and CI/CD integration.

docker

Argo CD Vulnerability Shows Why GitOps Infrastructure Must Be Treated as Tier Zero

A newly disclosed flaw in Argo CD's repo-server lets attackers manipulate Kubernetes deployments through the GenerateManifest gRPC endpoint. Here's what happened, how the exploit works, and how to lock down your GitOps pipeline.

devops

Cloud Server Performance Optimization in 2026: A Practical Guide for DevOps Teams

Step-by-step techniques for optimizing cloud server performance in 2026 — from resource allocation and container tuning to AI-driven scaling and cost-performance tradeoffs.

devops

Kubernetes Production Best Practices: Optimizing Deployments for 2026

From resource limits to zero-downtime rollouts — a practical guide to running Kubernetes clusters in production without the common pitfalls.

devops

Docker Compose in Production: 8 Patterns for Resilient Deployments in 2026

Learn battle-tested Docker Compose patterns for production environments including health checks, network segmentation, secrets management, and rolling updates with recent security considerations.

docker

Docker Multi-Stage Builds: The Complete Production Optimization Guide

Master Docker multi-stage builds to shrink image sizes by up to 98%, harden container security, and speed up deployments. Practical examples for Node.js, Python, and Go with production-ready patterns.

docker

Securing Your CI/CD Pipeline: A Practical Guide to GitHub Actions Secrets Management in 2026

Hardcoded secrets in CI/CD pipelines remain one of the most common attack vectors. Here's how to manage GitHub Actions secrets properly, from repository-level configuration to enterprise-grade vaults.

devops

7 Docker Security Best Practices You Should Implement Before Your Next Deployment

Container security isn't optional anymore. From image scanning to network policies, these seven practices will harden your Docker deployments against the most common attack vectors in 2026.

docker

Securing the AI-Powered DevOps Pipeline: A Practical Guide for 2026

As AI tools become integral to CI/CD workflows, the artifact supply chain has emerged as a new attack surface. Learn how to secure your DevOps pipeline against AI-specific threats.

devops

Jenkins Pipeline Shared Libraries: Reusable CI/CD Code Across Teams

A hands-on guide covering configuration, troubleshooting, and best practices for jenkins pipeline shared libraries: reusable ci/cd code across teams.

devops

GitHub Actions Self-Hosted Runners: Setup, Scaling, and Security on Ubuntu

A hands-on guide covering configuration, troubleshooting, and best practices for github actions self-hosted runners - setup, scaling, and security on ubuntu.

devops

Kubernetes Helm Chart Best Practices: Templates, Values, and Structure

A hands-on guide covering configuration, troubleshooting, and best practices for kubernetes helm chart best practices - templates, values, and structure.

devops

Prometheus Alertmanager: Writing Effective Alert Rules and Routing Configurations

A hands-on guide covering configuration, troubleshooting, and best practices for prometheus alertmanager - writing effective alert rules and routing configurations.

devops

GitLab CI/CD Pipeline Optimization: Reducing Build Times by 70 Percent

A hands-on guide covering configuration, troubleshooting, and best practices for gitlab ci/cd pipeline optimization - reducing build times by 70 percent.

devops

Terraform Remote State Management: S3 Backend Configuration and Best Practices

A hands-on guide covering configuration, troubleshooting, and best practices for terraform remote state management - s3 backend configuration and best practices.

devops

Ansible Playbook Best Practices: Writing Maintainable Infrastructure as Code

A hands-on guide covering configuration, troubleshooting, and best practices for ansible playbook best practices - writing maintainable infrastructure as code.

devops

DevOps Trends 2026: What's Shaping the Future of Software Delivery

Discover the top DevOps trends transforming software delivery in 2026. From AI-powered automation to platform engineering, learn what's next for DevOps teams.

devops

DevOps Automation Tools in 2026: A Hands-On Tutorial

Explore 20+ DevOps automation tools for 2026 including Terraform, Ansible, Helm, Prometheus, and MCP servers. Practical tutorial with code examples for CI/CD, monitoring, and infrastructure management.

devops

Docker Networking Explained: Bridge, Host, and Overlay Modes

Learn how Docker networking works with practical examples. This tutorial covers bridge, host, overlay, and macvlan network modes with hands-on commands.

docker

CI/CD Pipeline Setup: Complete Guide to Automated Deployment

Build a robust CI/CD pipeline for automated testing and deployment. This guide covers GitHub Actions, Docker integration, and deployment strategies.

devops

Docker Compose: Deploy Multi-Container Applications

Learn how to use Docker Compose to define and run multi-container Docker applications with practical examples, production-ready configurations, and best practices for modern deployment.

docker

Container Deployment Strategies: Production Patterns and Best Practices

Master production container deployment with blue-green, canary, and rolling strategies. Learn how to release updates with zero downtime and minimal risk.

docker

Docker Compose on Ubuntu 22.04: A Complete Setup Guide

Learn how to install and configure Docker Compose on Ubuntu 22.04. This step-by-step tutorial covers everything from basic installation to multi-container application deployment.

docker

Docker Container Health Checks: Best Practices

Implement effective container health checks in Docker. This guide covers HEALTHCHECK instructions, monitoring strategies, and integration with orchestrators.

docker

Docker Security Best Practices: Protecting Containerized Applications

Secure your Docker containers with essential security practices. Learn about image scanning, container isolation, secrets management, and runtime protection.

security

Docker Swarm vs Kubernetes: Choosing Container Orchestration

Compare Docker Swarm and Kubernetes for container orchestration. This guide analyzes deployment complexity, scalability, features, and use cases to help you choose the right platform.

devops

Kubernetes Basics: A Beginner's Guide to Container Orchestration

Master Kubernetes fundamentals including pods, services, deployments, and ingress controllers. This tutorial covers essential concepts and practical configurations for container orchestration.

devops

System Monitoring with Prometheus: Complete Setup Guide

Deploy Prometheus for comprehensive system and application monitoring. Learn metric collection, alerting configuration, and integration with Grafana for visualization. Build observable infrastructure.

devops

Nginx Reverse Proxy: Complete Setup and Configuration Guide

Learn how to configure Nginx as a reverse proxy server with practical examples, security best practices, and performance optimization techniques for production environments.

server-config