traefik/templates/kv.tmpl

{{$frontends := List .Prefix "/frontends/" }}
{{$backends :=  List .Prefix "/backends/"}}

[backends]{{range $backends}}
{{$backend := .}}
{{$servers := List $backend "/servers/" }}

{{$circuitBreaker := Get "" . "/circuitbreaker/" "expression"}}
{{with $circuitBreaker}}
[backends."{{Last $backend}}".circuitBreaker]
    expression = "{{$circuitBreaker}}"
{{end}}

{{$loadBalancer := Get "" . "/loadbalancer/" "method"}}
{{with $loadBalancer}}
[backends."{{Last $backend}}".loadBalancer]
    method = "{{$loadBalancer}}"
{{end}}

{{$maxConnAmt := Get "" . "/maxconn/" "amount"}}
{{$maxConnExtractorFunc := Get "" . "/maxconn/" "extractorfunc"}}
{{with $maxConnAmt}}
{{with $maxConnExtractorFunc}}
[backends."{{Last $backend}}".maxConn]
    amount = {{$maxConnAmt}}
    extractorFunc = "{{$maxConnExtractorFunc}}"
{{end}}
{{end}}

{{range $servers}}
[backends."{{Last $backend}}".servers."{{Last .}}"]
    url = "{{Get "" . "/url"}}"
    weight = {{Get ""  . "/weight"}}
{{end}}
{{end}}

[frontends]{{range $frontends}}
    {{$frontend := Last .}}
    {{$entryPoints := SplitGet . "/entrypoints"}}
    [frontends."{{$frontend}}"]
    backend = "{{Get "" . "/backend"}}"
    passHostHeader = {{Get "false" . "/passHostHeader"}}
    entryPoints = [{{range $entryPoints}}
      "{{.}}",
    {{end}}]
    {{$routes := List . "/routes/"}}
        {{range $routes}}
        [frontends."{{$frontend}}".routes."{{Last .}}"]
        rule = "{{Get "" . "/rule"}}"
        {{end}}
{{end}}