name: Netcat Example with Port Opened
location: localhost
services:
- type: org.apache.brooklyn.entity.software.base.VanillaSoftwareProcess
  name: Simple Netcat Server
  launch.command: |
    echo hello | nc -l 4321 &
    echo $! > $PID_FILE
    
  brooklyn.config:
    # matching the regex `.*\.port` will cause the port to be opened
    # if in a cloud where configurable security groups are available
    netcat.port: 4321