Posted inDocker
Docker Volume & NFS: The ‘Lifesaver’ Solution for Multi-Host Data
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.
Posted inDocker
HashiCorp Nomad: Lightweight Docker Container Management — A Better Alternative to Kubernetes for Small and Medium Systems
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.
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Advanced Docker Swarm: Rolling Updates, Placement Constraints, and Zero-Downtime Deployments
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.
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Docker Secrets: Don’t Expose Passwords via a Clumsy ‘inspect’ Command
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.
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Practical Docker Networking: When to Use Bridge, Host, or Overlay?
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.
Posted inDocker
Docker Swarm Basics: A Complete Guide to Deploying Container Clusters from A to Z
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.