Simple nulecule bindings

gistfile1.txt

---
specversion: 0.0.2
id: wordpress-atomicapp

metadata:
  name: Wordpress App
  appversion: 2.0.0
  description: Simple Wordpress atomic app. Uses remote mysql atomic app.
  location: docker.io/projectatomic/wordpress-centos7-atomicapp

params:
    - name: provider
      description: The specified default provider.
      default: kubernetes

graph:
  - name: db
    accepts:
      - nulecule: mariadb-centos7-atomicpp
      - nulecule: postgres-atomicapp
    source: docker://projectatomic/mariadb-centos7-atomicapp
  - name: wordpress
    params:
      - name: image
        description:  wordpress image
        default: wordpress
      - name: db_user
        description: username for database
      - name: db_pass
        description:  password for db_user
      - name: db_name
        description: database name
      - name: db_host
        description: database host
        default: mariadb:3306
      - name: hostport
        description: port for port mapping (used with docker/marathon providers)
        default: 8888
    artifacts:
      kubernetes:
        - file://artifacts/kubernetes/wordpress-pod.yaml
        - file://artifacts/kubernetes/wordpress-service.yaml
      openshift:
        - file://artifacts/openshift/volume.yaml
        - file://artifacts/openshift/service.yaml
        - file://artifacts/openshift/pod.yaml
      docker:
        - file://artifacts/docker/wordpress-run
      marathon:
        - file://artifacts/marathon/wordpress.json
    bindings:
      db::db_user:
        - nulecule: wordpress
          key: db_user
        - nulecule: postgres-centos7-atomicapp
          key: db_user
        - nulecule: mariadb-centos7-atomicapp
          key: db_userrr