Docker – Page 2 – ITFROMZERO

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.

Git

Gitea Installation: Build Your Own High-Performance, Low-Cost Git Server

By admin April 17, 2026

Gitea is the perfect high-performance, low-cost Git Server alternative to GitLab for low-spec VPS. This guide provides step-by-step instructions for Docker installation, Nginx configuration, and real-world tips for stable operation.

Monitoring

Mastering Network Infrastructure with LibreNMS: From Bandwidth Monitoring to Automated Telegram Alerts

By admin April 15, 2026

A detailed guide on installing LibreNMS using Docker for network monitoring. Track bandwidth, CPU, RAM, and configure automated Telegram alerts for SysAdmins.

Docker

Implementing Zero-Downtime Blue-Green Deployment with Docker Compose & Nginx

By admin April 15, 2026

Don't let customers see 502 errors every time you update code. Discover the secret to simple Blue-Green Deployment with Docker Compose and Nginx for true Zero-Downtime.

Development

RabbitMQ + Python: The ‘Lifesaver’ Solution to Eliminate Application Lag for Background Tasks

By admin April 15, 2026

Learn how to use RabbitMQ and Python for professional background task processing. An optimal solution to reduce latency, increase scalability, and ensure data safety for backend applications.

Docker

Using Dive to Inspect Docker Image Layers: How I Slimmed Down an Image from 1.5GB to 120MB

By admin April 15, 2026

Learn how to use Dive to dissect Docker image layers, identify junk files, and optimize image size from 1.5GB to 120MB through a real-world example.

Docker

Goodbye var_dump: How to Properly Configure Xdebug in Docker and VS Code

By admin April 14, 2026

Learn how to set up Xdebug in Docker and connect it to VS Code for professional PHP debugging. Eliminate var_dump and save 40% of your bug-hunting time.

Docker

NVIDIA Container Toolkit: How to Run GPUs in Docker (Hands-on from Local to Production)

By admin April 13, 2026

Hands-on guide to installing NVIDIA Container Toolkit. Sharing tips for fixing CUDA errors, optimizing Docker Compose, and techniques to reduce GPU image size from 4GB to 150MB.

Docker

Dockerize Your Project in a Heartbeat with `docker init`: Fast, Standard, and Effortless

By admin April 12, 2026

Forget writing Dockerfiles from scratch! The docker init command helps you generate best-practice Docker and Compose configs in just 30 seconds, optimizing for size and security.

Docker

Running GitHub Actions Locally with act: ‘Lightning Fast’ Pipeline Debugging Without Pushing Code

By admin April 11, 2026

Tired of constant 'fix ci' commits? Learn how to use act and Docker to debug GitHub Actions locally, saving time and keeping your Git history clean.