services:
- name: proxy
  addr: :8080
  handler:
    type: http
    chainGroup:
      chains:
        - chain: chain-target
          matcher:
            rule: Host(`tcp-echo`)
        - chain: chain-other
          matcher:
            rule: Host(`no-match`)
      selector:
        strategy: round
        maxFails: 1
        failTimeout: 10s
  listener:
    type: tcp

# Live relay: forwards to echo server.
- name: relay
  addr: 127.0.0.1:18081
  handler:
    type: http
  listener:
    type: tcp

chains:
- name: chain-target
  hops:
  - name: hop-target
    nodes:
    - name: n-live
      addr: 127.0.0.1:18081
      connector:
        type: http

# This chain has a dead relay — but the matcher Host("no-match") ensures it is
# never selected for requests targeting tcp-echo.
- name: chain-other
  hops:
  - name: hop-other
    nodes:
    - name: n-dead
      addr: 127.0.0.1:18082
      connector:
        type: http