Docker-compose – ITFROMZERO – Share tobe shared!

Optimizing Docker Compose: Using YAML Anchors and Merge Keys to Clean Up Redundant Code

By admin July 19, 2026

Learn how to use YAML Anchors and Merge Keys to clean up Docker Compose. A solution for tidier, more maintainable, and professional microservices configuration files.

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

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

Deploying Ruby on Rails with Docker: Multi-stage Builds, Asset Precompile, and Sidekiq Workers in Production

By admin June 16, 2026

Deploying Ruby on Rails with Docker typically runs into three major problems: a bloated 1.8GB image, asset precompile failures inside the container, and Sidekiq sharing a process with Puma. This post walks through fixing all three using an optimized multi-stage Dockerfile and a Docker Compose stack with the web and worker services fully separated — drawn from 6 months of production experience.

Fedora

Using Podman Compose on Fedora: Replacing Docker Compose for Rootless Multi-Container Application Management

By admin June 16, 2026

Podman Compose lets you run multi-container stacks on Fedora without needing a Docker daemon or root privileges. This article compares four approaches — Docker Compose, Podman Pods, Quadlet, and Podman Compose — then walks through a real-world deployment with a web app, PostgreSQL, and Redis, including notes on SELinux and rootless port handling.

MySQL

Dockerize MySQL for Dev Environments: Using Init Scripts to Auto-Initialize Schema and Sample Data

By admin June 13, 2026

A guide to Dockerizing MySQL with init scripts — automatically creating schema and seed data when the container first starts. Set up in 5 minutes, giving the whole team a consistent environment with zero manual steps.

Docker

How to Set Up Nginx Proxy Manager with Docker Compose: Reverse Proxy and Automatic SSL via Web UI

By admin May 29, 2026

Nginx Proxy Manager lets you manage reverse proxies and automatic SSL through a web interface, running entirely inside Docker. This article compares popular proxy solutions, weighs their trade-offs, and walks you through a real-world deployment with Docker Compose step by step.

Docker

Docker Compose Include: A “Divide and Conquer” Strategy for Thousand-Line YAML Files in Microservices

By admin May 25, 2026

Learn how to modularize your docker-compose.yml file using the include feature in Docker Compose V2. This solution helps break down complex microservices projects into manageable components.

Docker

Docker Compose Profiles: Managing Optional Services by Environment — Debug and Monitoring Completely Isolated

By admin April 28, 2026

Docker Compose Profiles lets you isolate debug and monitoring tools from your core services within a single docker-compose.yml file. This article shares practical lessons from six months of production use, with concrete examples for local, staging, and production environments.

Docker

Docker Compose: Wait for DB to be Fully “Healthy” Before Starting App with Health Checks

By admin April 27, 2026

Don't let your app crash just because the database starts slowly. Learn to combine depends_on and healthcheck in Docker Compose to control container startup order like a pro.