Traefik 2.x sample configuration with Lets encrypt

traefik.yml

log:
  level: INFO
entryPoints:
  web:
    address: ":80"
  web-secure:
    address: ":443"
  metrics:
    address: ":9090"

http:
  routers:
    registry-redir:
      rule: "Host(`my.domain.com`)"
      service: registry
      entryPoints:
        - "web"
      middlewares:
       - "toHttps"
    registry:
      rule: "Host(`my.domain.com`)"
      service: registry
      entryPoints:
        - "web-secure"
      tls:
       certResolver: le
  services:
   registry:
    loadBalancer:
     servers:
     - url: "http://backend:5000/"
  middlewares:
    toHttps:
      redirectScheme:
        scheme: https
        permanent: true
metrics:
  prometheus:
    buckets:
    - "0.1"
    - "0.3"
    - "1.2"
    - "5.0"
    addEntryPointsLabels: true
    addServicesLabels: true
    entryPoint: metrics
providers:
  file:
    directory: /etc/traefik
    watch: true
    filename: traefik.yml
certificatesResolvers:
  le:
    acme:
      email: mail@mail.com
      storage: /storage/acme.json
      caServer: "https://acme-v02.api.letsencrypt.org/directory"
      httpChallenge:
        entryPoint: web