Reference YAML for messaging architecture

resources:
  - name: resource_a
    subscribes_to:
      - queue_1
    restricted_publish_exchanges: # Optional: Restricts publishing to these exchanges
      - exchange_1
      - exchange_2
      - exchange_3
    default_pathways: # Dict of pathway names to lists of exchanges
      pathway_a:
        - exchange_1
        - exchange_2
      pathway_b:
        - exchange_3

  - name: resource_b
    subscribes_to:
      - queue_2
    # No 'restricted_publish_exchanges' key means resource_b can publish to any exchange
    default_pathways: # Dict of pathway names to lists of exchanges
      pathway_c:
        - exchange_1

exchanges:
  - name: exchange_1
    type: direct
  - name: exchange_2
    type: topic
  - name: exchange_3
    type: fanout

queues:
  - name: queue_1
    exchange: exchange_1
    routing_key: key_1
    priority: 5
  - name: queue_2
    exchange: exchange_2
    routing_key: key_2
    priority: 10

bindings:
  - exchange: exchange_1
    queue: queue_1
    routing_key: key_1
  - exchange: exchange_2
    queue: queue_2
    routing_key: key_2