esphome:

api:
  reboot_timeout: 0s

substitutions:
  mqtt_root_topic: !secret mqtt_root_topic

mqtt:
  broker: !secret mqtt_broker
  port: !secret mqtt_port
  username: !secret mqtt_username
  password: !secret mqtt_password
  discover_ip: False
  discovery: false
  discovery_retain: false
  topic_prefix: null
  birth_message:
    topic: ${mqtt_root_topic}/${devicename}/availability
    payload: online
  will_message:
    topic: ${mqtt_root_topic}/${devicename}/availability
    payload: offline
  shutdown_message:
    topic: ${mqtt_root_topic}/${devicename}/availability
    payload: offline