traefik/templates/kv.tmpl

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

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

[frontends]{{range $frontends}}
    {{$frontend := Last .}}
    [frontends.{{$frontend}}]
    backend = "{{Get . "/backend"}}"
    passHostHeader = {{Get . "/passHostHeader"}}
    {{$routes := List . "/routes/"}}
        {{range $routes}}
        [frontends.{{$frontend}}.routes.{{Last .}}]
        rule = "{{Get . "/rule"}}"
        value = "{{Get . "/value"}}"
        {{end}}
{{end}}