traefik/integration/fixtures/retry/backoff.toml

[global]
  checkNewVersion = false
  sendAnonymousUsage = false

[log]
  level = "DEBUG"

[entryPoints]
  [entryPoints.web]
    address = ":8000"

[api]
  insecure = true

[providers.file]
  filename = "{{ .SelfFilename }}"

## dynamic configuration ##

[http.routers]
  [http.routers.router1]
    service = "service1"
    middlewares = [ "retry" ]
    rule = "PathPrefix(`/`)"

[http.middlewares.retry.retry]
  attempts = 4
  initialInterval = "500ms"


[http.services]
  [http.services.service1]
    [http.services.service1.loadBalancer]

      [[http.services.service1.loadBalancer.servers]]
        url = "http://{{ .WhoamiIP }}:8080"

      [[http.services.service1.loadBalancer.servers]]
        url = "http://{{ .WhoamiIP }}:8081"

      [[http.services.service1.loadBalancer.servers]]
        url = "http://{{ .WhoamiIP }}:8082"

      [[http.services.service1.loadBalancer.servers]]
        url = "http://{{ .WhoamiIP }}:80"