guide/blueprints/example_yaml/vanilla-bash-netcat-env.yaml

name: Netcat Example with Environment Vars
location: localhost
services:
- type: org.apache.brooklyn.entity.software.base.VanillaSoftwareProcess
  name: Simple Netcat Server

  brooklyn.config:
    launch.command: |
      echo $MESSAGE | nc -l $NETCAT_PORT &
      echo $! > $PID_FILE

    shell.env:
      MESSAGE: hello
      NETCAT_PORT: 4321