#Docker.
Docker containerization tutorials covering Dockerfiles, multi-stage builds, Docker Compose, and container best practices.
Production Docker Compose Stack: Traefik SSL, PostgreSQL & Backups
Production-ready Docker Compose template with Traefik v3, Let's Encrypt SSL, PostgreSQL 16, and automated S3 pg_dump backup sidecars.
Top 10 Self-Hosted DevOps Tools in 2026 (Portainer & Uptime Kuma)
The definitive 2026 deep-dive guide to top self-hosted DevOps tools. Portainer, Uptime Kuma, HyperDX, Coolify, Traefik, and OpenTofu Docker Compose configs.
Uptime Kuma Docker Setup & Alerting Guide (Discord & Telegram)
Step-by-step guide to deploying Uptime Kuma with Docker Compose. Configure HTTP/TCP monitors, status pages, and instant Discord/Telegram alerts.
How to Install Lightweight Kubernetes (K3s) on Ubuntu (2026)
Learn how to install and configure K3s lightweight Kubernetes on Ubuntu 24.04/22.04 LTS with kubectl, non-root access, and Traefik ingress.
How to Install Open-WebUI with Ollama for Local AI (2026)
Step-by-step guide to installing Open-WebUI and Ollama using Docker on Ubuntu and Linux for a private, offline ChatGPT-like AI environment.
How to Install NVIDIA Container Toolkit & PyTorch CUDA (2026)
Complete guide to installing NVIDIA GPU drivers, NVIDIA Container Toolkit (nvidia-ctk), and PyTorch CUDA 12 on Ubuntu 24.04/22.04 LTS.
How to Self-Host Supabase with Docker Compose on Ubuntu (2026)
Complete guide to self-hosting Supabase (PostgreSQL, Kong API Gateway, Auth, Realtime, Storage, and Studio UI) on Ubuntu 24.04/22.04 LTS using Docker Compose.
Self-Hosted AI Stack 2026: Ollama, Open WebUI, n8n & Qdrant Guide
Run a complete AI stack on your own hardware. Step-by-step guide to installing and connecting Ollama, Open WebUI, n8n, and Qdrant for a fully local AI platform.
DevOps Pipeline with Free Tools: Complete CI/CD Setup Guide 2026
Build a production-grade DevOps pipeline using free tools: GitHub Actions, Docker, CodeRabbit, SonarCloud, and Render. Step-by-step CI/CD setup with zero monthly cost.
Debugging Node.js OOM in Docker: V8 Heap Profiling Guide
A complete step-by-step guide to troubleshooting containerized Node.js memory leaks. Configure automatic V8 heap snapshot captures and connect securely to production containers.
How to Set Up Coolify for Self-Hosted Deployments
Step-by-step guide to setting up Coolify on your VPS. Learn to deploy Node.js/Docker apps, manage domains, and handle HTTPS for free on your own hardware.
How to Use Environment Variables in Docker
Manage environment variables in Docker containers and Compose files — inline values, .env files, runtime injection, secrets, and production patterns.
Docker Multi-Stage Builds: Smaller Images, Faster Deploys
Master Docker multi-stage builds — reduce image size, improve security, speed up builds. Production-ready patterns for Node.js, Python, Go, and more.
Docker Compose Cheat Sheet: Services, Volumes & Production
A complete Docker Compose guide covering service definitions, volumes, networks, and health checks. Includes production-ready templates and CLI commands.
How to Install Docker on Ubuntu, macOS and Windows
Step-by-step guide to installing Docker Desktop or Engine on Ubuntu, macOS, and Windows. Learn post-install setup and how to run your first container.
Docker & Docker Compose Cheat Sheet: Images, Containers & CLI (2026)
Complete Docker reference covering Dockerfile syntax, container management, volume persistence, networking, Compose V2, and multi-stage builds.
How to Write a Production Dockerfile for Node.js
Build small, fast, production-ready Docker images for Node.js — layer caching, multi-stage builds, non-root user, health checks, and .dockerignore explained.
Docker Compose in Production: Best Practices & Tips
Learn how to run Docker Compose in production securely. This guide covers health checks, restart policies, secrets, logging, and resource limits for deployment.
Run PostgreSQL Locally with Docker in Under 2 Minutes
Learn to run PostgreSQL locally using Docker. Includes persistent volumes, docker-compose setup, GUI client access, and essential dump or restore commands.
How to Set Up a .env File and Stop Leaking Secrets
Learn how to set up .env files in Node.js, Python, and Docker. Avoid common mistakes that expose API keys and manage your secrets safely in production.
Kubernetes Cheat Sheet: Every kubectl Command You Need (2026)
Complete Kubernetes reference with copy-paste kubectl commands for pods, deployments, services, namespaces, config, scaling, logs, exec, and troubleshooting.
Docker Desktop Was Killing My Laptop. Here Is What Fixed It.
Is Docker Desktop killing your laptop? Fix high RAM usage and fan noise with memory caps, layer caching, and optimized dev images for better performance.
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