backends:
  - id: "srv-1"
    ip: "127.0.0.1"
    port: 8081

  - id: "srv-2"
    ip: "127.0.0.1"
    port: 8082

clusters:
  main-api:
    - "srv-1"
    - "srv-2"
  priority-api:
    - "srv-1"

rules:
  - clients:
      - "0.0.0.0/0:8888"
    targets:
      - "main-api"
    strategy:
      type: "RoundRobin"

  - clients:
      - "0.0.0.0/0:6767"
    targets: # no issues with duplicate servers or clusters
      - "priority-api"
      - "priority-api"
      - "priority-api"
    strategy:
      type: "Adaptive"
      coefficients: [ 1.5, 1.0, 0.5, 0.1 ]
      alpha: 0.75