docker-compose/nextcloud/docker-compose.yml

version: '3'

services:
   # MySQL service for Nextcloud
  mysql-nextcloud:
    image: mysql:latest
    restart: always
    environment:
      MYSQL_DATABASE: ${NEXTCLOUD_DB_NAME} # Set Nextcloud database name
      MYSQL_USER: ${NEXTCLOUD_DB_USER} # Set Nextcloud database user
      MYSQL_ROOT_PASSWORD: ${NEXTCLOUD_DB_ROOT_PASSWORD} # Set MySQL root password
      MYSQL_PASSWORD: ${NEXTCLOUD_DB_PASSWORD} # Set Nextcloud database password
    hostname: mysql-nextcloud # Set hostname for MySQL container
    volumes:
      - /opt/storagemysql-nextcloud:/var/lib/mysql # Mount MySQL data directory
    networks:
      - traefik # Use external network named "traefik"

  # Nextcloud service
  nextcloud:
    build:
      context: .
      dockerfile: Dockerfile
    image: nextcloud-full:latest
    # image: nextcloud:latest
    restart: always
    hostname: nextcloud # Set hostname for Nextcloud container
    environment:
      VIRTUAL_HOST: ${NEXTCLOUD_HOST} # Set virtual host for Nextcloud
      MYSQL_HOST: mysql-nextcloud # Set MySQL host for Nextcloud
      MYSQL_DATABASE: ${NEXTCLOUD_DB_NAME} # Set Nextcloud database name
      MYSQL_USER: ${NEXTCLOUD_DB_USER} # Set Nextcloud database user
      MYSQL_PASSWORD: ${NEXTCLOUD_DB_PASSWORD} # Set Nextcloud database password
      NEXTCLOUD_ADMIN_USER: ${NEXTCLOUD_ADMIN_USER} # Set Nextcloud admin user
      NEXTCLOUD_ADMIN_PASSWORD: ${NEXTCLOUD_ADMIN_PASSWORD} # Set Nextcloud admin password
      NEXTCLOUD_TRUSTED_DOMAINS: ${NEXTCLOUD_HOST} # Set trusted domains for Nextcloud
    volumes:
      - /opt/storagenextcloud/data:/var/www/html # Mount Nextcloud data directory
      - /opt/storagenextcloud/config:/var/www/html/config # Mount Nextcloud config directory
    labels:
      - "traefik.enable=true" # Enable Traefik for this service
      - "traefik.http.routers.nextcloud.rule=Host(`${NEXTCLOUD_HOST}`)" # Route Nextcloud to specified host
      - "traefik.http.routers.nextcloud.entrypoints=websecure" # Use HTTPS entrypoint for Nextcloud
      - "traefik.http.routers.nextcloud.tls=true" # Enable TLS for Nextcloud
      - "traefik.http.services.ghost.loadbalancer.server.port=80" # Set load balancer port for Nextcloud
      - "traefik.http.routers.nextcloud.tls.certresolver=myresolver" # Use Let's Encrypt resolver for Nextcloud
      - "traefik.http.routers.nextcloud.middlewares=nc-rep,nc-header" # Use redirect and header middlewares for Nextcloud
      - "traefik.http.middlewares.nc-rep.redirectregex.regex=https://(.*)/.well-known/(card|cal)dav" # Set regex for redirect middleware
      - "traefik.http.middlewares.nc-rep.redirectregex.replacement=https://$$1/remote.php/dav/" # Set replacement for redirect middleware
      - "traefik.http.middlewares.nc-rep.redirectregex.permanent=true" # Set redirect as permanent
      - "traefik.http.middlewares.nc-header.headers.frameDeny=true" # Set header for frame deny
      - "traefik.http.middlewares.nc-header.headers.sslRedirect=true" # Set header for SSL redirect
      - "traefik.http.middlewares.nc-header.headers.contentTypeNosniff=true" # Set header for content type nosniff
      - "traefik.http.middlewares.nc-header.headers.stsIncludeSubdomains=true" # Set header for STS include subdomains
      - "traefik.http.middlewares.nc-header.headers.stsPreload=true" # Set header for STS preload
      - "traefik.http.middlewares.nc-header.headers.stsSeconds=31536000" # Set header for STS seconds
      - "traefik.http.middlewares.nc-header.headers.referrerPolicy=same-origin" # Set header for referrer policy
      - "traefik.http.middlewares.nc-header.headers.browserXssFilter=true" # Set header for browser XSS filter
      - "traefik.http.middlewares.nc-header.headers.customRequestHeaders.X-Forwarded-Proto=https" # Set custom request header for X-Forwarded-Proto
      - "traefik.http.middlewares.nc-header.headers.customRequestHeaders.X-Forwarded-Proto=websecure" # Set custom request header for X-Forwarded-Proto
      - "traefik.http.middlewares.nc-header.headers.customResponseHeaders.X-Robots-Tag=noindex, nofollow" # Set custom response header for X-Robots-Tag
      - "traefik.http.middlewares.nc-header.headers.customFrameOptionsValue=SAMEORIGIN" # Set custom frame options value
      # - "traefik.http.routers.nextcloud.middlewares: 'nextcloud_redirectregex'"
      # - "traefik.http.middlewares.nextcloud_redirectregex.redirectregex.permanent: true"

    networks:
      - traefik # Use external network named "traefik"


#This specifies external network traefik - ```docker network create traefik``` is required (managed outside of docker-compose)
networks:
  traefik:
    external: true # Use external network named "traefik"