How to specify certResolver

Traefik Traefik v2
,
2

Hello,

traefik.yml

entryPoints:
  web:
    address: ":80"

  web-secure:
    address: ":443"

  other:
    address: ":9090"

providers:
  docker:
    exposedByDefault: false

certificatesResolvers:
  sample:
    acme:
      email: acme@owenimholte.com
      storage: acme.json
      httpChallenge:
      entryPoint: web

docker-compose.yml:

nginx:
    image: nginx:latest
    volumes:
      - /Sites/sunkenlighthouse.com:/usr/share/nginx/html
    labels:
      - "traefik.enable=true"
      - "traefik.http.routers.nginx.rule=Host(`sunkenlighthouse.com`)"
      - "traefik.http.routers.nginx.tls.certResolver=sample"
      - "traefik.http.routers.nginx.entryPoints=web-secure"