How to Set Up WordPress with Docker Compose (YAML)

In this tutorial, I’ll show you how to quickly deploy a WordPress site using Docker Compose with a YAML configuration.

1. Prepare Your `docker-compose.yml` File

Create a file named docker-compose.yml and paste in the following content:

YAML

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version: '3.1'
​
services:
  db:
    image: mysql:8.0
    command: --default-authentication-plugin=mysql_native_password
    volumes:
      - db_data_wordpress:/var/lib/mysql      # volume name (same as below)
    restart: always
    environment:
      MYSQL_ROOT_PASSWORD: S3curePass!2025!    # password
      MYSQL_DATABASE: wordpress_wp             # database name
      MYSQL_USER: wordpress_user               # username
      MYSQL_PASSWORD: S3curePass!2025!         # password
​
  wordpress:
    depends_on:
      - db
    image: wordpress:latest
    ports:
      - "7300:80"                              # external port
    restart: always
    environment:
      WORDPRESS_DB_HOST: db:3306
      WORDPRESS_DB_USER: wordpress_user        # username
      WORDPRESS_DB_PASSWORD: S3curePass!2025!  # password
      WORDPRESS_DB_NAME: wordpress_wp          # database name
​
volumes:
  db_data_wordpress: {}                        # volume name (same as above)

2. Start Your Containers

Open your terminal, navigate to the folder containing your docker-compose.yml, and run:

Bash

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docker-compose up -d

This command will download the necessary images and start your WordPress and MySQL containers.

3. Complete the WordPress Installation

Open your browser and go to http://194.164.54.162:7300/wp-admin/install.php
Select English as your language.
Set your desired username and password for the WordPress admin account.
Complete the installation steps as prompted.

4. Increase Upload and Execution Limits

If you want to increase the PHP upload and execution limits (for example, to allow larger file uploads), follow these steps:

Log in to your WordPress container:
Once inside the container, run the following commands to update your .htaccess file and install some useful tools:

Bash

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docker exec -it wordpress_app bash -c '
cd /var/www/html &&
apt update -y &&
apt install -y nano curl git &&
if ! grep -q "Sajjad_max_size_config" .htaccess; then
  echo "" >> .htaccess
  echo "" >> .htaccess
  echo "# ---------------------------------------------------------------" >> .htaccess
  echo "# Sajjad_max_size_config | Added by automated update script" >> .htaccess
  echo "# Timestamp: $(date "+%Y-%m-%d %H:%M:%S")" >> .htaccess
  echo "# Purpose: Increase PHP upload and execution limits" >> .htaccess
  echo "php_value upload_max_filesize 4096M" >> .htaccess
  echo "php_value post_max_size 4096M" >> .htaccess
  echo "php_value max_execution_time 300" >> .htaccess
  echo "php_value max_input_time 300" >> .htaccess
  echo "# ---------------------------------------------------------------" >> .htaccess
  echo "✅ New Sajjad_max_size_config block appended successfully."
else
  echo "ℹ️  Sajjad_max_size_config block already exists — no changes made."
fi
' && docker restart wordpress_app

Exit the container and restart it to apply the changes:

Summary

You have now deployed WordPress with Docker Compose, set up your admin account, and increased your upload and execution limits for better performance.

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How to Set Up WordPress with Docker Compose (YAML)