NextCloud docker-compose file behind a reverse proxy with SSL

db.env

POSTGRES_PASSWORD=yourdbstrongpassword
POSTGRES_DB=nextcloud
POSTGRES_USER=nextcloud

docker-compose.yml

version: "3.9"

services:
  nextcloud_db:
    image: postgres:alpine
    restart: always
    volumes:
      - nextcloud_dbdata:/var/lib/postgresql/data
    env_file:
      - db.env

  redis:
    image: redis:alpine
    restart: always

  nextcloud_web:
    image: nextcloud:apache
    restart: always
    volumes:
      - nextcloud:/var/www/html
    environment:
      - VIRTUAL_HOST=cloud.yourdomain.com
      - LETSENCRYPT_HOST=cloud.yourdomain.com
      - LETSENCRYPT_EMAIL=yourmail # <===== For let's encrypt
      - POSTGRES_HOST=nextcloud_db
      - REDIS_HOST=redis
    env_file:
      - db.env
    depends_on:
      - nextcloud_db
      - redis

  cron:
    image: nextcloud:apache
    restart: always
    volumes:
      - nextcloud:/var/www/html
    entrypoint: /cron.sh
    depends_on:
      - nextcloud_db
      - redis

volumes:
  nextcloud_dbdata:
  nextcloud:

#Use this configuration in production with nginx-proxy container
networks:
  default:
    external:
      name: nginx-proxy