Add example from wordpress tutorial

examples/wordpress/run.sh

@@ -0,0 +1,6 @@
+#!/bin/bash
+set -xe
+
+solar resource create nodes templates/nodes count=1
+solar repo import /vagrant/examples/wordpress/wp_repo
+solar resource create wp_docker wp_repo/docker

examples/wordpress/wp_repo/docker/1.0.0/docker.yaml

@@ -0,0 +1,65 @@
+version: 1.2.4
+resources:
+  - id: docker
+    from: resources/docker
+    location: node1
+
+  - id: config
+    from: wp_repo/wp_config
+    location: node1
+    input:
+      db_root_pass: 'r00tme'
+      db_port: 3306
+      wp_db_name: 'wp'
+      wp_db_user: 'wp'
+      wp_db_pass: 'h4ack'
+
+  - id: mysql
+    from: resources/docker_container
+    location: node1
+    input:
+      ip: node1::ip
+      image: mysql:5.6
+      ports:
+        - config::db_port
+      env:
+        MYSQL_ROOT_PASSWORD: config::db_root_pass
+      wait_cmd:
+        computable:
+          func: "mysql -p{{env['MYSQL_ROOT_PASSWORD']}} -uroot -e 'SELECT 1'"
+          connections:
+            - mysql::env::NO_EVENTS
+
+  - id: wp_db
+    from: resources/mariadb_db
+    location: node1
+    input:
+      db_name: config::wp_db_name
+      db_host: mysql::ip
+      login_user: 'root'
+      login_password: config::db_root_pass
+      login_port: config::db_port
+
+  - id: wp_user
+    from: resources/mariadb_user
+    location: node1
+    input:
+      user_password: config::wp_db_pass
+      user_name: config::wp_db_user
+      db_name: wp_db::db_name
+      db_host: mysql::ip
+      login_user: 'root'
+      login_password: config::db_root_pass
+      login_port: config::db_port
+
+  - id: wordpress
+    from: resources/docker_container
+    location: node1
+    input:
+      ip: node1::ip
+      image: wordpress:latest
+      env:
+        WORDPRESS_DB_HOST: mysql::ip
+        WORDPRESS_DB_USER: wp_user::user_name
+        WORDPRESS_DB_PASSWORD: wp_user::user_password
+        WORDPRESS_DB_NAME: wp_db::db_name

examples/wordpress/wp_repo/wp_config/1.0.0/meta.yaml

@@ -0,0 +1,18 @@
+handler: none
+version: 1.0.0
+input:
+  db_root_pass:
+    schema: str!
+    value:
+  db_port:
+    schema: int!
+    value:
+  wp_db_name:
+    schema: str!
+    value:
+  wp_db_user:
+    schema: str!
+    value:
+  wp_db_pass:
+    schema: str!
+    value: