docker-compose.yml

version: '3.7'

services:

  ##
  # The web server container.
  ##
  wordpress-develop:
    image: nginx:alpine

    networks:
      - wpdevnet

    ports:
      - ${LOCAL_PORT-8889}:80

    environment:
      LOCAL_DIR: ${LOCAL_DIR-src}

    volumes:
      - ./tools/local-env/default.template:/etc/nginx/conf.d/default.template
      - ./:/var/www

    # Load our config file, substituting environment variables into the config.
    command: /bin/sh -c "envsubst '$$LOCAL_DIR' < /etc/nginx/conf.d/default.template > /etc/nginx/conf.d/default.conf && exec nginx -g 'daemon off;'"

    depends_on:
      php:
        condition: service_started
      mysql:
        condition: service_healthy

  ##
  # The PHP container.
  ##
  php:
    image: wordpressdevelop/php:${LOCAL_PHP-latest}

    networks:
      - wpdevnet

    environment:
      - LOCAL_PHP_XDEBUG=${LOCAL_PHP_XDEBUG-false}
      - XDEBUG_MODE=${LOCAL_PHP_XDEBUG_MODE-develop,debug}
      - LOCAL_PHP_MEMCACHED=${LOCAL_PHP_MEMCACHED-false}
      - PHP_FPM_UID=${PHP_FPM_UID-1000}
      - PHP_FPM_GID=${PHP_FPM_GID-1000}
      - GITHUB_REF=${GITHUB_REF-false}
      - GITHUB_EVENT_NAME=${GITHUB_EVENT_NAME-false}

    volumes:
      - ./tools/local-env/php-config.ini:/usr/local/etc/php/conf.d/php-config.ini
      - ./:/var/www

    # Copy or delete the Memcached dropin plugin file as appropriate.
    command: /bin/sh -c "if [ $LOCAL_PHP_MEMCACHED = true ]; then cp -n /var/www/tests/phpunit/includes/object-cache.php /var/www/src/wp-content/object-cache.php; else rm -f /var/www/src/wp-content/object-cache.php; fi && exec php-fpm"

    # The init directive ensures the command runs with a PID > 1, so Ctrl+C works correctly.
    init: true

    extra_hosts:
      - localhost:host-gateway

  ##
  # The MySQL container.
  ##
  mysql:
    image: amd64/${LOCAL_DB_TYPE-mysql}:${LOCAL_DB_VERSION-latest}

    networks:
      - wpdevnet

    ports:
      - "3306"

    environment:
      MYSQL_ROOT_PASSWORD: password

    volumes:
      - ./tools/local-env/mysql-init.sql:/docker-entrypoint-initdb.d/mysql-init.sql
      - mysql:/var/lib/mysql

    # For compatibility with PHP versions that don't support the caching_sha2_password auth plugin used in MySQL 8.0.
    command: --default-authentication-plugin=mysql_native_password

    healthcheck:
      test: [ "CMD-SHELL", "if [ \"$LOCAL_DB_TYPE\" = \"mariadb\" ]; then mariadb-admin ping -h localhost; else mysqladmin ping -h localhost; fi" ]
      timeout: 5s
      interval: 5s
      retries: 10

  ##
  # The WP CLI container.
  ##
  cli:
    image: wordpressdevelop/cli:${LOCAL_PHP-latest}

    networks:
      - wpdevnet

    environment:
      - LOCAL_PHP_XDEBUG=${LOCAL_PHP_XDEBUG-false}
      - LOCAL_PHP_MEMCACHED=${LOCAL_PHP_MEMCACHED-false}
      - PHP_FPM_UID=${PHP_FPM_UID-1000}
      - PHP_FPM_GID=${PHP_FPM_GID-1000}

    volumes:
      - ./:/var/www

    # The init directive ensures the command runs with a PID > 1, so Ctrl+C works correctly.
    init: true

    extra_hosts:
      - localhost:host-gateway

    depends_on:
      php:
        condition: service_started
      mysql:
        condition: service_healthy

  ##
  # The Memcached container.
  ##
  memcached:
    image: memcached

    networks:
      - wpdevnet

    ports:
      - 11211:11211

    depends_on:
      php:
        condition: service_started

volumes:
  # So that sites aren't wiped every time containers are restarted, MySQL uses a persistent volume.
  mysql: {}

networks:
  # Creating our own network allows us to connect between containers using their service name.
  wpdevnet:
    driver: bridge