My NextCloud Stack Setup w/ Notes at the end

gistfile1.txt

version: '2'

volumes:
  nextcloud:
  db:

services:
  db:
    image: mariadb
    command: --transaction-isolation=READ-COMMITTED --binlog-format=ROW
    restart: unless-stopped
    volumes:
      - db:/var/lib/mysql
    environment:
      - MYSQL_ROOT_PASSWORD=r00tP@55w0rd
      - MYSQL_PASSWORD=My5qLP@55w0rd
      - MYSQL_DATABASE=nextcloud
      - MYSQL_USER=nextcloud

  app:
    image: nextcloud
    links:
      - db
    volumes:
      - /path/to/storage/on/your/server:/var/www/html
    labels:
      - traefik.enable=true
      - traefik.http.routers.nextcloud.entrypoints=web
      - traefik.http.routers.nextcloud.rule=Host(`cloud.yoursite.com`)
      - traefik.http.services.nextcloud.loadbalancer.server.port=80
    restart: unless-stopped 
    
    
    
    
Change the first half of the volumes
Change the passwords to your choosing
Change the URL on line 29 to be YOUR URL

Deploy the container
Edit the container
Change the network of the container to "web" after it launches
Re-deploy the container

Go to your NextCloud URL

Select the MySQL option for the database
When you're installing, make sure you change the database setting from 'localhost' to 'db' (no quotes)
You'll enter the database username, and MySQL database password above into the appropriate spots