Nexcloud/docker-compose.yml

volumes:
  mysql:
    driver: local
  redis:
    driver: local
  nextcloud:
    driver: local

networks:
  traefik:
    external: true
    name: traefik_default
  internal:
    driver: bridge

services:
  nextcloud:
    image: nextcloud:latest
    container_name: nextcloud_server
    restart: unless-stopped
    depends_on:
      - mariadb
      - redis
    networks:
      - traefik
      - internal
    environment:
      MYSQL_HOST: mariadb
      MYSQL_DATABASE: nextcloud
      MYSQL_USER: nextcloud
      MYSQL_PASSWORD: nextcloud
      REDIS_HOST: redis
      REDIS_HOST_PASSWORD: nextcloud
      NEXTCLOUD_ADMIN_USER: ${ADMIN_USERNAME}
      NEXTCLOUD_ADMIN_PASSWORD: ${ADMIN_PASSWORD}
      NEXTCLOUD_TRUSTED_DOMAINS: ${NEXTCLOUD_DOMAIN}
      OVERWRITEPROTOCOL: https
      OVERWRITEHOST: ${NEXTCLOUD_DOMAIN}
      OVERWRITECLIURL: https://${NEXTCLOUD_DOMAIN}
      TRUSTED_PROXIES: 172.16.0.0/12
    volumes:
      - nextcloud:/var/www/html
      - /mnt/nextcloud:/var/www/html/data
    labels:
      - "traefik.enable=true"
      - "traefik.docker.network=traefik_default"

      # -------------------------------
      # HTTP router (port 80, ACME + redirect)
      # -------------------------------
      - "traefik.http.routers.nextcloud-http.entrypoints=web"
      - "traefik.http.routers.nextcloud-http.rule=Host(`nextcloud.rozic-dev.com`)"
      - "traefik.http.routers.nextcloud-http.tls.certresolver=letsencrypt"
      - "traefik.http.routers.nextcloud-http.middlewares=redirect-to-https"
      - "traefik.http.routers.nextcloud-http.service=nextcloud"

      # -------------------------------
      # HTTPS router (real traffic)
      # -------------------------------
      - "traefik.http.routers.nextcloud-secure.entrypoints=websecure"
      - "traefik.http.routers.nextcloud-secure.rule=Host(`nextcloud.rozic-dev.com`)"
      - "traefik.http.routers.nextcloud-secure.tls=true"
      # IMPORTANT: no certresolver here, only on the HTTP router
      - "traefik.http.routers.nextcloud-secure.service=nextcloud"
      - "traefik.http.routers.nextcloud-secure.middlewares=nextcloud-headers"

      # -------------------------------
      # Security headers middleware
      # -------------------------------
      - "traefik.http.middlewares.nextcloud-headers.headers.customFrameOptionsValue=SAMEORIGIN"
      - "traefik.http.middlewares.nextcloud-headers.headers.customResponseHeaders.Strict-Transport-Security=max-age=15552000; includeSubDomains"

      # -------------------------------
      # Service (internal port)
      # -------------------------------
      - "traefik.http.services.nextcloud.loadbalancer.server.port=80"

  mariadb:
    image: mariadb:10.11
    container_name: nextcloud_mariadb
    restart: unless-stopped
    networks:
      - internal
    environment:
      MYSQL_ROOT_PASSWORD: nextcloud
      MYSQL_USER: nextcloud
      MYSQL_PASSWORD: nextcloud
      MYSQL_DATABASE: nextcloud
      MARIADB_AUTO_UPGRADE: 1
    command: 
      - "--max-allowed-packet=128M"
      - "--innodb-log-file-size=64M"
      - "--transaction-isolation=READ-COMMITTED"
      - "--binlog-format=ROW"
      - "--innodb-file-per-table=1"
      - "--skip-innodb-read-only-compressed"
    healthcheck:
      test: ["CMD", "mysqladmin", "ping", "-u", "root", "--password=nextcloud"]
      interval: 10s
      timeout: 5s
      retries: 5
    volumes:
      - mysql:/var/lib/mysql

  redis:
    image: redis:6-alpine
    container_name: nextcloud_redis
    restart: unless-stopped
    networks:
      - internal
    command: ["redis-server", "--requirepass", "nextcloud"]
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 10s
      timeout: 5s
      retries: 5
    volumes:
      - redis:/data