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RabbitMQ

RabbitMQ is primarily an AMQP message broker; the bundled enabled_plugins turns on its MQTT plugin so it can serve MQTT clients alongside AMQP. Reach for it when a demo spans both protocols.

Imagerabbitmq:4.3.1-management (override with RABBITMQ_IMAGE in .env)
Catalog kindmqtt-broker
Providesmqtt-broker
Requiresnothing
Network when split is onbackend

The -management image tag is what supplies the web management UI.

Preset credentials and ports​

The generated .env ships these defaults; edit them before docker compose up:

  • RABBITMQ_USER=ignition: broker and management UI user.
  • RABBITMQ_PASSWORD=ignition: broker and management UI password.
  • RABBITMQ_MQTT_PORT=1885: host port for the MQTT listener.
  • RABBITMQ_MGMT_PORT=15672: host port for the management UI.

Post-setup​

  • mqtt-engine-connection: connecting a gateway needs the Cirrus Link MQTT Engine or Transmission module plus an MQTT server endpoint pointed at the broker, configured once the stack is up.