Traefik dashboard return "404 page not found" - docker

Question

I installed the traefik v2 in the container, set it up, but when I go to the domain, I get "404 page not found" and not a dashboard.
This is my first time doing this so I'm asking the community for help.
Below are my settings files.
docker-compose.yml
version: '3'
services:
traefik:
image: traefik:v2.8
container_name: traefik
restart: unless-stopped
security_opt:
- no-new-privileges:true
ports:
- 80:80
- 443:443
volumes:
- /etc/localtime:/etc/localtime:ro
- /var/run/docker.sock:/var/run/docker.sock:ro
- ./data/traefik.yml:/traefik.yml:ro
- ./ssl:/ssl
labels:
- "traefik.enable=true"
- "traefik.http.routers.traefik.entrypoints=https"
- "traefik.http.routers.traefik.rule=Host(`traefik.DOMAIN.com`)"
- "traefik.http.routers.traefik.tls=true"
- "traefik.http.routers.traefik.tls.certresolver=letsEncrypt"
- "traefik.http.routers.traefik.service=api#internal"
- "traefik.http.services.traefik-traefik.loadbalancer.server.port=888"
traefik.yml
entryPoints:
http:
address: ":80"
https:
address: ":443"
http:
routers:
http-catchall:
rule: hostregexp(`{host:.+}`)
entrypoints:
- http
middlewares:
- redirect-to-https
middlewares:
redirect-to-https:
redirectScheme:
scheme: https
permanent: false
providers:
docker:
endpoint: "unix:///var/run/docker.sock"
exposedByDefault: false
certificatesResolvers:
letsEncrypt:
acme:
email: mail#example.com
storage: /ssl/acme.json
caServer: "https://acme-staging-v02.api.letsencrypt.org/directory"
httpChallenge:
entryPoint: http
api:
dashboard: true