nao consigo ativar o https no meu nextcloud, segui todas configuraçoes exatamente como está no video https://www.youtube.com/watch?v=of6dGNY_7Ig
tem algum segredo?
quendo clico no link gerado no nginx ele aparece 
Não foi possível estabelecer uma conexão segura com este site xxxxxxxx.duckdns.org enviou uma resposta inválida.
Tente executar o Diagnóstico de Rede do Windows.
ERR_SSL_PROTOCOL_ERROR
o certificado gerado nao entra.
abaixo estao os docker:
nextcloud:
version: "2.1"
services:
  nextcloud:
    image: lscr.io/linuxserver/nextcloud:latest
    container_name: nextcloud
    environment:
      - PUID=1000
      - PGID=100
      - TZ=America/Sao_Paulo
    volumes:
      - /srv/dev-disk-by-uuid-05bab43c-427c-477c-b4d8-3f2bb3dc5429/Admin/config/nextcloud:/config
      - /srv/dev-disk-by-uuid-05bab43c-427c-477c-b4d8-3f2bb3dc5429/Admin:/data
    ports:
      - 444:443
    restart: unless-stopped
DUCKDNS:
version: "2.1"
services:
  duckdns:
    image: lscr.io/linuxserver/duckdns:latest
    container_name: duckdns
    environment:
      - PUID=1000
      - PGID=100
      - TZ=America/Sao_Paulo
      - SUBDOMAINS=XXXXXXXXXX
      - TOKEN=XXXXXXXXXXXXXXXX
      - LOG_FILE=falsE
    volumes:
      - /srv/dev-disk-by-uuid-05bab43c-427c-477c-b4d8-3f2bb3dc5429/Admin/config/duckdns-config:/config
    restart: unless-stopped
MARIADB:
version: "2.1"
services:
  mariadb:
    image: lscr.io/linuxserver/mariadb:latest
    container_name: mariadb
    environment:
      - PUID=1000
      - PGID=100
      - TZ=America/Sao_Paulo
      - MYSQL_ROOT_PASSWORD=XXXXXXXXX
      - MYSQL_DATABASE=nextcloud
      - MYSQL_USER=darwin
      - MYSQL_PASSWORD=XXXXXXXXX
    volumes:
      - /srv/dev-disk-by-uuid-05bab43c-427c-477c-b4d8-3f2bb3dc5429/Admin/config/mariadb:/config
    ports:
      - 3306:3306
    restart: unless-stopped
NGINX:
version: '3'
services:
  app:
    image: 'jc21/nginx-proxy-manager:latest'
    ports:
      - '90:80'
      - '81:81'
      - '450:443'
    environment:
      DB_MYSQL_HOST: "db"
      DB_MYSQL_PORT: 3306
      DB_MYSQL_USER: "darwin"
      DB_MYSQL_PASSWORD: "XXXXX"
      DB_MYSQL_NAME: "npm"
    
volumes:
  - ./data:/data
  - ./letsencrypt:/etc/letsencrypt
  db:
    image: 'yobasystems/alpine-mariadb'
    environment:
      MYSQL_ROOT_PASSWORD: 'XXXXX'
      MYSQL_DATABASE: 'npm'
      MYSQL_USER: 'darwin'
      MYSQL_PASSWORD: 'XXXXX^'
    volumes:
      - ./mysql:/var/lib/mysql
    restart: unless-stopped