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Docker Swarm Monitoring: ‘Diagnosing’ Replicas and Rolling Updates with Prometheus & cAdvisor

By admin September 6, 2026

A guide on setting up Prometheus and cAdvisor for Docker Swarm monitoring. Track replicas, node health, and rolling update status to ensure smooth operations.

Docker

Docker Volume & NFS: The ‘Lifesaver’ Solution for Multi-Host Data

By admin July 17, 2026

A guide on configuring Docker Volumes with the NFS Driver for multi-host data sharing. A simple, effective solution for Docker Swarm and High Availability.

Docker

HashiCorp Nomad: Lightweight Docker Container Management — A Better Alternative to Kubernetes for Small and Medium Systems

By admin July 16, 2026

HashiCorp Nomad is a lightweight Docker container orchestration solution, ideal for small teams looking to avoid the complexity of Kubernetes. This article covers installation, practical job spec writing, and operational tips drawn from real-world microservices experience.

Docker

Advanced Docker Swarm: Rolling Updates, Placement Constraints, and Zero-Downtime Deployments

By admin June 3, 2026

A detailed guide to configuring Docker Swarm for production: zero-downtime Rolling Updates with order: start-first, Placement Constraints for proper workload distribution, and Docker Config/Secret for secure configuration management. Written for those who already know Swarm basics and want to level up to a real production environment without deployment downtime.

Docker

Docker Secrets: Don’t Expose Passwords via a Clumsy ‘inspect’ Command

By admin April 17, 2026

Learn how to use Docker Secrets to protect passwords and API keys instead of exposing them via environment variables. A practical guide for Swarm and Compose v2.

Docker

Practical Docker Networking: When to Use Bridge, Host, or Overlay?

By admin March 9, 2026

From the frustrating 'Connection Refused' error when containers can't find each other, to mastering different Docker network types. This article is my hands-on experience with Bridge, Host, and Overlay networks, helping you choose the right tool for each specific problem.

Docker

Docker Swarm Basics: A Complete Guide to Deploying Container Clusters from A to Z

By admin February 28, 2026

Docker Swarm frees you from the single-host trap: automatically distributes containers, scales with a single command, and performs zero-downtime rolling updates. This guide walks from a real-world problem to a fully working cluster setup, step by step.