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Installing WordPress and phpMyAdmin with Docker Compose

🧠 Technical Summary (Analysis)​

This guide explains how to install WordPress with Docker Compose.
The goal is to create a container-based and portable WordPress environment.
WordPress, MariaDB and phpMyAdmin are managed with a single YAML file.

What Will You Learn in This Guide?​

In this guide, you will install WordPress using Docker Compose.
You will add the MariaDB database and phpMyAdmin administration panel.
You will ensure data permanence with the volumes structure.

Prerequisites​

  • An Ubuntu based server
  • Docker and Docker Compose must be installed
  • User with sudo privilege

1. Step – Preparing the Project Directory​

This command creates a working directory for WordPress.

mkdir ~/wordpress && cd ~/wordpress

2. Step – Creating the Docker Compose File​

This file defines all services.


nano docker-compose.yml
  • File content:

version: "3"

services:
  db:
    image: mariadb
    environment:
      MYSQL_ROOT_PASSWORD: guclu_bir_sifre
    volumes:
      - db_data:/var/lib/mysql
    restart: always

  wordpress:
    image: wordpress
    depends_on:
      - db
    ports:
      - "8080:80"
    environment:
      WORDPRESS_DB_HOST: db:3306
      WORDPRESS_DB_USER: root
      WORDPRESS_DB_PASSWORD: guclu_bir_sifre
    volumes:
      - ./wp_content:/var/www/html
    restart: always

  phpmyadmin:
    image: phpmyadmin/phpmyadmin
    depends_on:
      - db
    ports:
      - "8181:80"
    environment:
      PMA_HOST: db
      MYSQL_ROOT_PASSWORD: guclu_bir_sifre
    restart: always

volumes:
  db_data:

Note: Be sure to change strong_password fields.

3. Step – Starting Services​

  • This command runs all services in the background.

docker-compose up -d

Docker images automatically download and launch them.

4. Step – Testing the Installation​

Access addresses from browser:

  1. WordPress:

http://sunucu-ip:8080
  1. phpMyAdmin:

http://sunucu-ip:8181
  1. phpMyAdmin login information:

  • User: root

  • Password: the password you set

5. Step – Data Persistence (Volumes)​

  1. This structure prevents data loss:

  2. db_data: Database is persistent

  3. wp_content: Theme and plugins are stored on the server

  4. Data is preserved even if the container is deleted.

Frequently Asked Questions (FAQ)​

1. Why should I use Docker Compose? It allows managing all services with a single file.

2. Can I change the 8080 port to 80? Yes, you can write 80:80 instead of 8080:80.

3. I'm getting a database connection error, why? The database may not be ready yet. Wait a few seconds.

4. Is phpMyAdmin mandatory? No, but it makes management easier.

5. Can this structure be used in the prod environment? Yes, SSL and security should be added.

Result​

WordPress installation is completed with Docker Compose. All services are managed from a single file. The installation is portable and easy to maintain.

👉 You can launch WordPress in minutes with Docker compatible servers on the GenixNode platform.