tosca_definitions_version: tosca_simple_yaml_1_0

node_types:

  HelloWorld:
    derived_from: tosca:WebApplication
    requirements:
      - host:
          # Override to allow for 0 occurrences
          capability: tosca:Container
          occurrences: [ 0, UNBOUNDED ]

topology_template:

  node_templates:
    hello_world:
      type: HelloWorld
      capabilities:
        app_endpoint:
          properties:
            protocol: http
            port: 9090
      interfaces:
        Standard:
          configure: scripts/configure.sh
          start: scripts/start.sh
          stop: scripts/stop.sh

  outputs:
    port:
      type: integer
      value: { get_property: [ hello_world, app_endpoint, port ] }