Updated Dockerfile from shipbeat/woocommerce to run WordPress 4.9.4 with Woocommerce 3.3.3.

Example docker-compose.yml file to run woocommerce with mariadb:

version: '2'

services:
  woocommerce:
    image: woocommerce
    environment:
      WORDPRESS_DB_PASSWORD: password

  mysql:
    image: mariadb
    environment:
      MYSQL_ROOT_PASSWORD: password