envoy-4.yaml

  clusters:
  - name: blue
    connect_timeout: 5s
    load_assignment:
      cluster_name: blue
      endpoints:
      - lb_endpoints:
        - endpoint:
            address:
              socket_address:
                address: 127.0.0.1
                port_value: 5050
  - name: green
    connect_timeout: 5s
    load_assignment:
      cluster_name: green
      endpoints:
      - lb_endpoints:
        - endpoint:
            address:
              socket_address:
                address: 127.0.0.1
                port_value: 5000