Setting Up a WordPress Site with Docker Compose

This guide will walk through hosting a WordPress site on an Ubuntu server using Docker Compose.

Step 1: Create a directory to hold your Docker Compose files:

Step 2: Create a Docker Compose File for WordPress and MySQL

In this directory, create a docker-compose.yml file to define the WordPress and MySQL services.

services:
  db:
    # We use a mariadb image which supports both amd64 & arm64 architecture
    image: mariadb:10.6.4-focal
    # If you really want to use MySQL, uncomment the following line
    #image: mysql:8.0.27
    command: '--default-authentication-plugin=mysql_native_password'
    volumes:
      - ./db_data:/var/lib/mysql
    restart: unless-stopped
    environment:
      - MYSQL_ROOT_PASSWORD=somewordpress
      - MYSQL_DATABASE=wordpress
      - MYSQL_USER=wordpress
      - MYSQL_PASSWORD=wordpress
    expose:
      - 3306
      - 33060
  wordpress:
    image: wordpress:latest
    volumes:
      - ./wp_data:/var/www/html
    ports:
      - 8041:80
    restart: always
    environment:
      - WORDPRESS_DB_HOST=db
      - WORDPRESS_DB_USER=wordpress
      - WORDPRESS_DB_PASSWORD=wordpress
      - WORDPRESS_DB_NAME=wordpress

This file configures two services: wordpress and db (MySQL). It sets environment variables, maps volumes for persistent data storage, and establishes a network for communication between containers.

Step 4: Deploy WordPress and MySQL

Deploy the services using Docker Compose: