Docker volume CIFS mount example w/ symlink support

docker-compose.yml

---
version: "3.0"
services:
  web:
    image: some-image
    volumes:
      - cifs_share:/mnt/cifs_share
volumes:
  cifs_share:
    driver: local
    driver_opts:
      type: "cifs"
      device: "//CIFS_STORAGE_ADDRESS/PATH"
      # addr => needed so docker can actually resolve the address
      # uid=1000,gid=1000,file_mode=0664,dir_mode=0774 => has to make sense, obviously
      # mfsymlinks => will mount the cifs w/ symlink support
      o: "addr=CIFS_STORAGE_ADDRESS,username=<USER>,password=<PASSWORD>,uid=1000,gid=1000,file_mode=0664,dir_mode=0774,mfsymlinks"