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Setting Up Nextcloud with Docker Compose

Introduction to Nextcloud

Nextcloud is an open-source, self-hosted file share and collaboration platform. It provides a secure and private alternative to cloud-based storage services.

Docker Compose Configuration for Nextcloud

This setup includes Nextcloud and a MariaDB database, ensuring an isolated and manageable environment.

Docker Compose File (docker-compose.yml)

version: '2'

volumes:
  nextcloud:
  db:

services:
  db:
    image: mariadb:10.6
    restart: always
    command: --transaction-isolation=READ-COMMITTED --log-bin=binlog --binlog-format=ROW
    volumes:
      - db:/var/lib/mysql
    environment:
      - MYSQL_ROOT_PASSWORD=<ENTER PASSWORD HERE>
      - MYSQL_PASSWORD=<ENTER PASSWORD HERE>
      - MYSQL_DATABASE=nextcloud
      - MYSQL_USER=nextcloud

  app:
    image: nextcloud
    restart: always
    ports:
      - 8080:80
    links:
      - db
    volumes:
      - nextcloud:/var/www/html
    environment:
      - MYSQL_PASSWORD=<ENTER PASSWORD HERE>
      - MYSQL_DATABASE=nextcloud
      - MYSQL_USER=nextcloud
      - MYSQL_HOST=db

Key Components of the Configuration

Volumes

  • nextcloud: Stores Nextcloud's data.
  • db: Stores the MariaDB database files.

Services

db

  • Image: mariadb:10.6
  • Restart: Always ensures the container restarts after a crash or reboot.
  • Command: Configures MariaDB for optimal use with Nextcloud.
  • Volumes: Maps db volume to MariaDB data directory.
  • Environment Variables: Set the MySQL root and Nextcloud user passwords, database, and user.

app

  • Image: nextcloud
  • Restart: Always ensures the container restarts after a crash or reboot.
  • Ports: Maps port 8080 of the host to port 80 of the container.
  • Links: Connects to the db service.
  • Volumes: Maps nextcloud volume to Nextcloud's HTML directory.
  • Environment Variables: Set the database details for Nextcloud to connect to MariaDB.

Deploying Nextcloud

  1. Save the Docker Compose configuration in a docker-compose.yml file.
  2. Replace <ENTER PASSWORD HERE> with your chosen passwords.
  3. Run docker-compose up -d to start Nextcloud in detached mode.
  4. Access Nextcloud via http://<host-ip>:8080.

Configuring and Using Nextcloud

After deployment, configure your Nextcloud instance through its web interface. This includes admin account setup, storage management, and app configurations.

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