---
- hosts: localhost

  vars:
    my_image_mariadb: 'mariadb:10.3'
    my_image_wordpress: 'wordpress'

  tasks:
    - name: Download Docker image
      docker_image:
        name: '{{ item }}'
        state: present
        tag: latest
        source: pull
      with_items:
        - '{{ my_image_mariadb }}'
        - '{{ my_image_wordpress }}'

    - name: Create persistant volume (Ansible 2.4)
      docker_volume:
        name: db_data
        state: present

    - name: Create DB container (Ansible 2.1)
      docker_container:
        name: db
        image: '{{ my_image_mariadb }}'
        volumes:
          - db_data:/var/lib/mysql
        restart_policy: always
        env:
          MYSQL_ROOT_PASSWORD: mysql
          MYSQL_DATABASE: wordpress
          MYSQL_USER: wordpress
          MYSQL_PASSWORD: "{{ lookup('password', './wordpress.pw') }}"

    - name: Create WP container (Ansible 2.1)
      docker_container:
        name: wordpress
        image: '{{ my_image_wordpress }}'
        restart_policy: always
        exposed_ports:
          - 80
        published_ports:
          - 8888:80
        links:
          - db:db
        env:
          WORDPRESS_DB_HOST: db:3306
          WORDPRESS_DB_USER: wordpress
          WORDPRESS_DB_PASSWORD: "{{ lookup('password', './wordpress.pw') }}"