traefik/templates/docker.tmpl

{{$backendServers := .Servers}}
[backends]{{range $backendName, $backend := .Backends}}
    {{if hasCircuitBreakerLabel $backend}}
    [backends.backend-{{$backendName}}.circuitbreaker]
      expression = "{{getCircuitBreakerExpression $backend}}"
    {{end}}

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

    {{if hasMaxConnLabels $backend}}
    [backends.backend-{{$backendName}}.maxconn]
      amount = {{getMaxConnAmount $backend}}
      extractorfunc = "{{getMaxConnExtractorFunc $backend}}"
    {{end}}

    {{$servers := index $backendServers $backendName}}
    {{range $serverName, $server := $servers}}
    {{if hasServices $server}}
      {{$services := getServiceNames $server}}
      {{range $serviceIndex, $serviceName := $services}}
      [backends.backend-{{getServiceBackend $server $serviceName}}.servers.service]
      url = "{{getServiceProtocol $server $serviceName}}://{{getIPAddress $server}}:{{getServicePort $server $serviceName}}"
      weight = {{getServiceWeight $server $serviceName}}
      {{end}}
    {{else}}
      [backends.backend-{{$backendName}}.servers.server-{{$server.Name | replace "/" "" | replace "." "-"}}]
      url = "{{getProtocol $server}}://{{getIPAddress $server}}:{{getPort $server}}"
      weight = {{getWeight $server}}
    {{end}}
    {{end}}

{{end}}

[frontends]{{range $frontend, $containers := .Frontends}}
  {{$container := index $containers 0}}
  {{if hasServices $container}}
  {{$services := getServiceNames $container}}
  {{range $serviceIndex, $serviceName := $services}}
  [frontends."frontend-{{getServiceBackend $container $serviceName}}"]
  backend = "backend-{{getServiceBackend $container $serviceName}}"
  passHostHeader = {{getServicePassHostHeader $container $serviceName}}
  priority = {{getServicePriority $container $serviceName}}
  entryPoints = [{{range getServiceEntryPoints $container $serviceName}}
    "{{.}}",
  {{end}}]
  basicAuth = [{{range getServiceBasicAuth $container $serviceName}}
    "{{.}}",
  {{end}}]
    [frontends."frontend-{{getServiceBackend $container $serviceName}}".routes."service-{{$serviceName | replace "/" "" | replace "." "-"}}"]
    rule = "{{getServiceFrontendRule $container $serviceName}}"
  {{end}}
  {{else}}
  [frontends."frontend-{{$frontend}}"]
  backend = "backend-{{getBackend $container}}"
  passHostHeader = {{getPassHostHeader $container}}
  priority = {{getPriority $container}}
  entryPoints = [{{range getEntryPoints $container}}
    "{{.}}",
  {{end}}]
  basicAuth = [{{range getBasicAuth $container}}
    "{{.}}",
  {{end}}]
    [frontends."frontend-{{$frontend}}".routes."route-frontend-{{$frontend}}"]
    rule = "{{getFrontendRule $container}}"
  {{end}}
{{end}}