Samba repro docker

docker-compose.yaml

version: '3.4'

services:
  samba:
    image: dperson/samba
    environment:
      TZ: 'EST5EDT'
    networks:
      - default
    ports:
      - "137/udp"
      - "138/udp"
      - "139/tcp"
      - "445/tcp"
    tmpfs:
      - /tmp
    restart: unless-stopped
    stdin_open: true
    tty: true
    volumes:
      - /samba-data
    command: '/bin/bash -c "touch /samba-data/file.txt && samba.sh -s \"data;/samba-data\" -u \"bob;bob\" -p"'
  mounter:
    image: ubuntu
    command: '/bin/bash -c "apt update && apt install -y cifs-utils && mkdir /samba-data && mount -v -o username=bob,password=bob,vers=3.0,ro,port=445 //samba/data /samba-data"'
    tty: true
#   privileged: true
    cap_add:
      - SYS_ADMIN
      - DAC_READ_SEARCH
networks:
  default: