utility commands for cp docker images

Usage:
  ub [flags]
  ub [command]

Available Commands:
  completion           Generate the autocompletion script for the specified shell
  connect-ready        checks if Connect is ready to accept connector tasks
  control-center-ready checks if Confluent Control Center is ready to accept client requests
  ensure               checks if environment variable is set or not
  help                 Help about any command
  http-ready           waits for an HTTP/HTTPS URL to be retrievable
  kafka-ready          checks if kafka brokers are up and running
  kr-ready             checks if Kafka REST Proxy is ready to accept client requests
  ksql-server-ready    checks if KSQL Server is ready to accept client requests
  listeners            extracts listeners from advertised listeners
  path                 checks if an operation is permitted on a file
  render-properties    creates and renders properties to stdout using the json config spec.
  render-template      renders template to stdout
  sr-ready             checks if Schema Registry is ready to accept client requests
  wait                 waits for a service to start listening on a port

Flags:
  -h, --help   help for ub

Use "ub [command] --help" for more information about a command.