Docker based WordPress dev environment lab.

.editorconfig

# EditorConfig is awesome: http://EditorConfig.org

# Top-most EditorConfig file.
root = true

[*]
charset = utf-8
end_of_line = lf
indent_size = 4
indent_style = space
insert_final_newline = true
max_line_length = 120
trim_trailing_whitespace = true

[*.yml]
indent_size = 2
indent_style = space

.env.example

MYSQL_ROOT_PASSWORD=password
MYSQL_DATABASE=wordpress
MYSQL_USER=wordpress
MYSQL_PASSWORD=password
WORDPRESS_DB_HOST=db:3306
WORDPRESS_DB_USER=wordpress
WORDPRESS_DB_PASSWORD=password

docker-compose.yml

version: '3.3'

services:
  db:
    image: mariadb:latest
    volumes:
      - db_data:/var/lib/mysql
    restart: always
    environment:
      MYSQL_ROOT_PASSWORD: "${MYSQL_ROOT_PASSWORD}"
      MYSQL_DATABASE: "${MYSQL_DATABASE}"
      MYSQL_USER: "${MYSQL_USER}"
      MYSQL_PASSWORD: "${MYSQL_PASSWORD}"

  wordpress:
    depends_on:
      - db
    build: .
    volumes:
      - ./dev-theme:/var/www/html/wp-content/themes/dev-theme
    ports:
      - "8000:80"
    restart: always
    environment:
      WORDPRESS_DB_HOST: "${WORDPRESS_DB_HOST}"
      WORDPRESS_DB_USER: "${WORDPRESS_DB_USER}"
      WORDPRESS_DB_PASSWORD: "${WORDPRESS_DB_PASSWORD}"

volumes:
  db_data:

Dockerfile

FROM wordpress:latest

RUN apt-get update && \
    apt-get install -y git zlib1g-dev && \
    docker-php-ext-install zip

RUN cd /tmp && \
    curl -O https://composer.github.io/installer.sig && \
    curl https://getcomposer.org/installer --output "composer-setup.php" && \
    echo "$(cat installer.sig) composer-setup.php" | sha384sum -c - && \
    php ./composer-setup.php --filename=composer --install-dir=/usr/local/bin && \
    rm ./composer-setup.php && \
    mkdir -p /home/www-data/.composer && \
    chown -R www-data:www-data /home/www-data

USER www-data

ENV COMPOSER_HOME "/home/www-data/.composer"

# `composer global config bin-dir --absolute`
ENV PATH "/home/www-data/.composer/vendor/bin:$PATH"

RUN composer global require wp-cli/wp-cli

RUN composer --version && \
    wp --version