Run Drupal 9 with Composer + Docker-compose + Nginx + MariaDB + PHP8.1

Running Docker

Dangerous word... I'm assuming that Docker is installed.  Don't know how to check?  Using Terminal (I prefer iTerm2), run the following command

docker -D info

The set-up

Go to your project directory, and create a docker folder and a “docker-compose.yml” file:

mkdir/Users/{your_name}/Sites/{your_directory}
cd /Users/{your_name}/Sites/{your_directory}
mkdir docker
cd docker
vim docker-compose.yml

Copy following code and add it in to the docker-compse.yml file:

version: "3"
services:
  web:
    image: nginx:latest
    ports:
      - "80:80"
    links:
      - php
      - database
    volumes:
      - ../src:/var/www/html

  php:
    image: php:8.1-fpm
    ports:
       - "9000:9000"
    volumes:
      - ../src:/var/www/html

  database:
    image: mariadb:latest
    environment:
      - MYSQL_ROOT_PASSWORD=root
      - MYSQL_USER=dbuser
      - MYSQL_PASSWORD=root
      - MYSQL_DATABASE=proxy
    ports:
      - "3306:3306"
    volumes:
      - "/Users/{your_name}/Sites/web-proxy:/var/lib/mysql"

Adjust the following variables from the above command:

MySQL root password: root
Database name: proxy
MySQL user: dbuser
MySQL password: root

There are now three containers:

• Web container for Nginx latest version, with mapping port 80:80 (the post can be changed to another one if your 80 is used, 84:80, 8083:80 are examples).  If you have issues with the port being already in use, then errors like below will come up.
• PHP container for the php with the FastCGI Process Manager (FPM).
• Database container for MariaDB latest version, it’s required to specify MySQL environment variable.

Error bind: address already in use

When attempting the above command did you receive the following error?

docker: Error response from daemon: Ports are not available: listen tcp 0.0.0.0:80: bind: address already in use.

You can try port 8080.

Error: port already allocated

docker: Error response from daemon: driver failed programming external connectivity on endpoint drupal9 ({HASH}): Bind for 0.0.0.0:8080 failed: port is already allocated.

You can try port 8083.

Success!  You will need to play around here to get a free port.  Or you can query the ports for their status.

Installing Drupal 9.x

To install Drupal, use the following command

composer create-project drupal-composer/drupal-project:9.x-dev {some-dir} --no-interaction

Change {some-dir} to the directory that you want to install.  If you want to install on the directory that you are currently in, use ./

composer create-project drupal-composer/drupal-project:9.x-dev ./ --no-interaction