Compose configuration for NC/Maria/Let's Encrypt

docker-compose.yml

version: "2"

services:
  letsencrypt:
    image: linuxserver/letsencrypt
    container_name: letsencrypt
    restart: always
    cap_add:
      - NET_ADMIN
    depends_on:
      - nextcloud
    environment:
      PUID: "1000"
      PGID: "1000"
      TZ: "Europe/London"
      URL: "<YOUR_DOMAIN>"
      SUBDOMAINS: "nextcloud"
      ONLY_SUBDOMAINS: "true"
      VALIDATION: "dns"
      DNSPLUGIN: "cloudflare"
      DHLEVEL: 4096
      EMAIL: "<EMAIL_ADDRESS>"
    ports:
      - "80:80"
      - "443:443"
    volumes:
      - "/opt/appdata/letsencrypt:/config"
      
  mariadb:
    image: linuxserver/mariadb
    container_name: mariadb
    restart: always
    environment:
      PUID: "1000"
      PGID: "1000"
      TZ: "Europe/London"
      MYSQL_ROOT_PASSWORD: "<YOUR_SUPER_SECRET_ROOT_PASSWORD>"
    volumes:
      - "/opt/appdata/mariadb:/config"
      
  nextcloud:
    image: linuxserver/nextcloud
    container_name: nextcloud
    depends_on:
      - mariadb
    restart: always
    environment:
      PUID: "1002"
      PGID: "1002"
      TZ: "Europe/London"
    ports:
      - "444:443"
    volumes:
      - "/opt/appdata/nextcloud:/config"
      - "/storage/userdata/nextcloud:/data"