Docker – ITFROMZERO – Share tobe shared!

Build Your Own Local AI Chatbot: Deploying Ollama and Open WebUI with Docker Compose

By admin July 17, 2026

Learn how to build a private, high-security AI chatbot. Detailed guide on deploying Ollama and Open WebUI with Docker Compose, optimizing GPUs for full offline operation.

Docker

nsenter: The Network Debugging “Lifesaver” for Lightweight Docker Containers (Distroless/Alpine)

By admin July 17, 2026

Stop rebuilding Docker images just to install curl or ping. Use nsenter to directly access the Network Namespace and debug like a pro.

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

Colima Guide: A Smooth Docker Desktop Alternative, a ‘Lifesaver’ for RAM on macOS

By admin July 17, 2026

Don't let Docker Desktop hog all your RAM. Learn how to switch to Colima: a lightweight, free Docker Engine alternative perfectly optimized for macOS M1/M2/M3.

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

Dockerize Elixir Phoenix: Multi-stage Build, OTP Releases, and Production-Ready Erlang Clustering

By admin July 16, 2026

A detailed guide to Dockerizing Elixir Phoenix with an optimized multi-stage build that reduces image size from 1.2GB to 85MB, production-ready OTP Releases configuration, and automatic Erlang clustering via libcluster DNS in Docker Compose. Includes a real-world Dockerfile, clustering configuration, and a deploy script with safe database migrations.

Docker

Securing Docker Containers with Authentik Forward Auth: Add SSO and MFA in 10 Minutes

By admin July 15, 2026

Turn insecure Docker applications into a secure system with SSO and MFA by using Authentik as Forward Auth via Traefik.

Docker

Configuring IPv6 for Docker Containers: A Step-by-Step Dual-Stack Guide

By admin July 13, 2026

A guide to configuring IPv6 for Docker containers, from enabling daemon.json to creating dual-stack networks in Docker Compose. Covers IP range management, exposing containers externally via IPv6, and practical debugging tips for developers.

Docker

Vector: A Ultra-Lightweight Docker Logging Solution to Replace Logstash

By admin July 12, 2026

A detailed guide on using Vector for Docker container log collection and processing. A lightweight Rust-based Logstash alternative to save RAM and optimize DevOps performance.

Docker

Docker Checkpoint and Restore with CRIU: Live Container Migration Without Service Downtime

By admin July 3, 2026

CRIU (Checkpoint/Restore In Userspace) lets you freeze the complete state of a running Docker container and restore it on another server without losing any in-memory state. This guide walks through setting up and using Docker Checkpoint with CRIU for zero-downtime container migration, with practical tips from real-world experience.