How to Install WordPress with Docker? in 2024?

WordPress is a popular content management system (CMS) that allows users to create and manage websites easily. It provides a user-friendly interface, a wide range of customizable themes and plugins, and supports various types of content including blog posts, multimedia, and online stores.

Docker, on the other hand, is an open-source platform that allows developers to automate the deployment and management of applications. It uses containerization technology to package applications and their dependencies into lightweight, portable containers. These containers are isolated from the underlying operating system, making them highly versatile and scalable.

When it comes to WordPress and Docker, Docker can be used to easily set up and manage WordPress installations. With Docker, you can create a Docker image of a WordPress installation along with its dependencies like MySQL or MariaDB, Apache or Nginx, PHP, etc. This image can then be used to spin up multiple instances of WordPress containers.

Advantages of using WordPress with Docker:

Portability: Docker allows you to package your WordPress application and its dependencies into a single container. This makes it easy to share the container with others or deploy it on different environments without worrying about compatibility issues.
Scalability: Docker enables easy scaling of WordPress installations. With Docker containers, you can quickly spin up additional instances of WordPress to handle increased traffic or load.
Version Control: Docker allows you to version your WordPress images, ensuring that you can easily roll back to previous versions if needed.
Isolation: Docker containers provide isolation from the underlying operating system. This means that even if one container crashes or is compromised, it does not affect other containers or the host system.
Efficiency: Docker's containerization technology ensures that applications in containers consume fewer resources compared to traditional virtual machines. This makes WordPress installations with Docker more efficient in terms of memory and CPU usage.

Overall, using Docker with WordPress offers several benefits including portability, scalability, version control, isolation, and efficiency. It simplifies the setup and management of WordPress installations, making it a popular choice for developers and system administrators.

How to install WordPress using Docker Compose?

To install WordPress using Docker Compose, follow these steps:

Install Docker and Docker Compose on your machine, if you haven't already.
Create a new directory where you want to work with your WordPress installation.
Inside the directory, create a new file called docker-compose.yml and open it in a text editor.
Add the following content to the docker-compose.yml file:

version: '3'
services:
  db:
    image: mysql:5.7
    volumes:
      - db_data:/var/lib/mysql
    restart: always
    environment:
      MYSQL_ROOT_PASSWORD: wordpress
      MYSQL_DATABASE: wordpress
      MYSQL_USER: wordpress
      MYSQL_PASSWORD: wordpress

  wordpress:
    depends_on:
      - db
    image: wordpress:latest
    ports:
      - '8000:80'
    restart: always
    environment:
      WORDPRESS_DB_HOST: db:3306
      WORDPRESS_DB_USER: wordpress
      WORDPRESS_DB_PASSWORD: wordpress
volumes:
  db_data:

This docker-compose.yml file defines two services: a MySQL database (db) and a WordPress instance (wordpress). It also sets up the necessary environment variables for the services to connect to each other.

Save the docker-compose.yml file.
Open a terminal or command prompt and navigate to the directory where the docker-compose.yml file is located.
Run the following command to start the WordPress installation:

1	docker-compose up -d

This command will download the required Docker images and start the containers in detached mode.

Wait for the installation to complete. You can check the progress and logs using the following command:

1	docker-compose logs -f

Once the installation is complete, you can access your WordPress site by opening a web browser and visiting http://localhost:8000.

That's it! You have successfully installed WordPress using Docker Compose.

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How to run WordPress behind a NGINX reverse proxy using Docker?

To run WordPress behind an NGINX reverse proxy using Docker, you can follow these steps:

Install Docker and Docker Compose on your machine.
Create a new directory for your project and navigate to it:

1	mkdir wordpress-proxy cd wordpress-proxy

Create a docker-compose.yml file in the project directory and add the following configuration:

version: '3'
services:
  nginx:
    image: nginx:latest
    ports:
      - 80:80
    volumes:
      - ./nginx.conf:/etc/nginx/conf.d/default.conf
  wordpress:
    image: wordpress:latest
    environment:
      - WORDPRESS_DB_HOST=db
      - WORDPRESS_DB_USER=user
      - WORDPRESS_DB_PASSWORD=password
      - WORDPRESS_DB_NAME=wordpress
    volumes:
      - ./wordpress:/var/www/html
    depends_on:
      - db
  db:
    image: mysql:5.7
    environment:
      - MYSQL_DATABASE=wordpress
      - MYSQL_USER=user
      - MYSQL_PASSWORD=password
      - MYSQL_ROOT_PASSWORD=password
    volumes:
      - ./db:/var/lib/mysql

This configuration sets up three services: nginx, wordpress, and db. It binds the Nginx container's port 80 to the host machine's port 80 and sets up volume bindings for persistent storage of WordPress and MySQL data.
Create an nginx.conf file in the project directory with the following configuration:

server {
    listen 80;
    server_name your-domain.com;
    location / {
        proxy_pass http://wordpress:80/;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
    }
}

Replace your-domain.com with your actual domain name.
Start the Docker services:

1	docker-compose up -d

This will build and start the NGINX, WordPress, and MySQL containers in the background.
Point your domain's DNS to the IP address of the host machine running Docker. Note: Make sure port 80 is open on your host machine's firewall.
Wait for a few minutes for the containers to start up completely.
Visit http://your-domain.com in your web browser, and you should see the WordPress installation screen. Complete the installation steps to set up your WordPress site.

Now your WordPress site should be running behind the NGINX reverse proxy using Docker.