nextcloud-docker/.examples/docker-compose/with-traefik2-postgresql-redis-multi-network/nextcloud/docker-compose.yml

# Create netxcloud network first
# docker network create nextcloud
#NOTES:
#1. certificatesresolvers.myresolver.acme.email=myemail@gmail.com 
#2. TRUSTED_PROXIES values based on your 'traefik docker network run docker network inspect traefik' to see the network
#3. remove traefik.http.middlewares.nextcloud.headers.contentSecurityPolicy and  
#traefik.http.middlewares.nextcloud.headers.customFrameOptionsValue if you don't want to allow iframe your domain
# cat docker-compose.yml

version: '3.3'

volumes:
  nextcloud-www:
    driver: local
  nextcloud-db:
    driver: local
  redis:
    driver: local


services:

  db:
    restart: always
    image: postgres:11
    networks:
      - nextcloud
    environment:
    - POSTGRES_USER=nextcloud
    - POSTGRES_PASSWORD=password
    - POSTGRES_DB=nextcloud
    volumes:
    - nextcloud-db:/var/lib/postgresql/data
  redis:
    image: redis:latest
    restart: always
    networks:
      - nextcloud
    volumes:
      - redis:/var/lib/redis

  nextcloud:
    image: nextcloud:latest
    restart: always
    networks:
      - default
      - nextcloud
    depends_on:
      - redis
      - db
    labels:
      - traefik.http.routers.nextcloud.middlewares=nextcloud,nextcloud_redirect
      - traefik.http.routers.nextcloud.tls.certresolver=myresolver
      - traefik.http.routers.nextcloud.rule=Host(`nextcloud.mydomain.com`)
      - traefik.http.middlewares.nextcloud.headers.customFrameOptionsValue=ALLOW-FROM https://mydomain.com
      - traefik.http.middlewares.nextcloud.headers.contentSecurityPolicy=frame-ancestors 'self' mydomain.com *.mydomain.net
      - traefik.http.middlewares.nextcloud.headers.stsSeconds=155520011
      - traefik.http.middlewares.nextcloud.headers.stsIncludeSubdomains=true
      - traefik.http.middlewares.nextcloud.headers.stsPreload=true
      - traefik.http.middlewares.nextcloud_redirect.redirectregex.regex=/.well-known/(card|cal)dav
      - traefik.http.middlewares.nextcloud_redirect.redirectregex.replacement=/remote.php/dav/
    environment:
      - POSTGRES_DB=nextcloud
      - POSTGRES_USER=nextcloud
      - POSTGRES_PASSWORD=password
      - POSTGRES_HOST=db
      - NEXTCLOUD_ADMIN_USER=admin
      - NEXTCLOUD_ADMIN_PASSWORD=adminpass
      - REDIS_HOST=redis
      - NEXTCLOUD_TRUSTED_DOMAINS=nextcloud.mydomain.com
      - TRUSTED_PROXIES=172.19.0.0/16
    volumes:
      - nextcloud-www:/var/www/html

networks:
  default:
    external:
      name: traefik

  nextcloud:
      internal: true