traefik/integration/fixtures/proxy-protocol/proxy-protocol.toml

[global]
  checkNewVersion = false
  sendAnonymousUsage = false

[log]
  level = "DEBUG"
  noColor = true

[entryPoints]
  [entryPoints.trust]
    address = ":8000"
    [entryPoints.trust.proxyProtocol]
      trustedIPs = ["127.0.0.1"]
  [entryPoints.nottrust]
      address = ":9000"
      [entryPoints.nottrust.proxyProtocol]
        trustedIPs = ["1.2.3.4"]

[api]
  insecure = true

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

## dynamic configuration ##

[http.routers]
  [http.routers.router1]
    service = "service1"
    rule = "Path(`/whoami`)"

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

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