changed from embedded ansible docker to docker-compose files

roles/docker-wordpress/templates/docker-compose.yml.j2

@@ -0,0 +1,44 @@
+version: '3'
+
+services:
+  application:
+    logging:
+      driver: journald
+    image: wordpress
+    restart: always
+    ports:
+      - "127.0.0.1:{{http_port}}:80"
+    environment:
+      WORDPRESS_DB_HOST:      database:3306
+      WORDPRESS_DB_USER:      "wordpress"
+      WORDPRESS_DB_PASSWORD:  "{{wordpress_database_password}}"
+      WORDPRESS_DB_NAME:      "wordpress"
+    links:
+      - database
+    volumes:
+      - data:/var/www/html
+    depends_on:
+      - database
+  database:
+    logging:
+      driver: journald
+    image: mariadb
+    restart: always
+    environment:
+      MYSQL_DATABASE: "wordpress"
+      MYSQL_USER: "wordpress"
+      MYSQL_PASSWORD: "{{wordpress_database_password}}"
+      MYSQL_RANDOM_ROOT_PASSWORD: 'yes'
+    volumes:
+      - database:/var/lib/mysql
+    healthcheck:
+      test: "/usr/bin/mysql --user=wordpress --password={{wordpress_database_password}} --execute \"SHOW DATABASES;\""
+      interval: 3s
+      timeout: 1s
+      retries: 5
+volumes:
+  database:
+  data:
+networks:
+  default:
+    driver: bridge