traefik/templates/docker.tmpl

[backends]{{range .Containers}}
    {{if hasCircuitBreakerLabel .}}
    [backends.backend-{{getBackend .}}.circuitbreaker]
      expression = "{{getCircuitBreakerExpression .}}"
    {{end}}

    {{if hasLoadBalancerLabel .}}
    [backends.backend-{{getBackend .}}.loadbalancer]
      method = "{{getLoadBalancerMethod .}}"
      sticky = {{getSticky . }}
    {{end}}

    {{if hasMaxConnLabels .}}
    [backends.backend-{{getBackend .}}.maxconn]
      amount = {{getMaxConnAmount . }}
      extractorfunc = "{{getMaxConnExtractorFunc . }}"
    {{end}}
    
    [backends.backend-{{getBackend .}}.servers.server-{{.Name | replace "/" "" | replace "." "-"}}]
    url = "{{getProtocol .}}://{{getIPAddress .}}:{{getPort .}}"
    weight = {{getWeight .}}
{{end}}

[frontends]{{range $frontend, $containers := .Frontends}}
  [frontends."frontend-{{$frontend}}"]{{$container := index $containers 0}}
  backend = "backend-{{getBackend $container}}"
  passHostHeader = {{getPassHostHeader $container}}
  priority = {{getPriority $container}}
  entryPoints = [{{range getEntryPoints $container}}
    "{{.}}",
  {{end}}]
    [frontends."frontend-{{$frontend}}".routes."route-frontend-{{$frontend}}"]
    rule = "{{getFrontendRule $container}}"
{{end}}