Для запуска ftpd нам потребуется создать несколько папок

mkdir -p ./ftpd/{logs,passwd} && cd ftpd    

добавляем содержимое docker-compose.yml

cat > docker-compose.yml << EOF
version: '3.3'
services:
  ftpd:
    image: stilliard/pure-ftpd
    container_name: ftpd
#    ports:
#      - "21:21"
#      - "30000-30009:30000-30009"
    volumes:
      - "/data/ftp:/home"
      - "./passwd:/etc/pure-ftpd/passwd"
      - "./logs:/var/log/pure-ftpd"
    environment:
      FTP_MAX_CLIENTS: "5"
      ADDED_FLAGS: "-d -d"
      PUBLICHOST: ftp.(DOMAINE)
      FTP_USER_NAME: (USERNAME)
      FTP_USER_PASS: (PASSWORD)
      FTP_USER_HOME: /home/backup
    restart: always
    labels:
      - traefik.enable=true
      - traefik.tcp.routers.router-ftp.entrypoints=entrypoint-ftp
      - traefik.tcp.routers.router-ftp.rule=HostSNI(`*`)
      - traefik.tcp.routers.router-ftp.service=service-ftp

      - traefik.tcp.routers.router-ftp-passive-0.entrypoints=entrypoint-ftp-passive-0
      - traefik.tcp.routers.router-ftp-passive-0.rule=HostSNI(`*`)
      - traefik.tcp.routers.router-ftp-passive-0.service=service-ftp-passive-0

      - traefik.tcp.routers.router-ftp-passive-1.entrypoints=entrypoint-ftp-passive-1
      - traefik.tcp.routers.router-ftp-passive-1.rule=HostSNI(`*`)
      - traefik.tcp.routers.router-ftp-passive-1.service=service-ftp-passive-1

      - traefik.tcp.routers.router-ftp-passive-2.entrypoints=entrypoint-ftp-passive-2
      - traefik.tcp.routers.router-ftp-passive-2.rule=HostSNI(`*`)
      - traefik.tcp.routers.router-ftp-passive-2.service=service-ftp-passive-2

      - traefik.tcp.routers.router-ftp-passive-3.entrypoints=entrypoint-ftp-passive-3
      - traefik.tcp.routers.router-ftp-passive-3.rule=HostSNI(`*`)
      - traefik.tcp.routers.router-ftp-passive-3.service=service-ftp-passive-3

      - traefik.tcp.routers.router-ftp-passive-4.entrypoints=entrypoint-ftp-passive-4
      - traefik.tcp.routers.router-ftp-passive-4.rule=HostSNI(`*`)
      - traefik.tcp.routers.router-ftp-passive-4.service=service-ftp-passive-4

      - traefik.tcp.routers.router-ftp-passive-5.entrypoints=entrypoint-ftp-passive-5
      - traefik.tcp.routers.router-ftp-passive-5.rule=HostSNI(`*`)
      - traefik.tcp.routers.router-ftp-passive-5.service=service-ftp-passive-5

      - traefik.tcp.routers.router-ftp-passive-6.entrypoints=entrypoint-ftp-passive-6
      - traefik.tcp.routers.router-ftp-passive-6.rule=HostSNI(`*`)
      - traefik.tcp.routers.router-ftp-passive-6.service=service-ftp-passive-6

      - traefik.tcp.routers.router-ftp-passive-7.entrypoints=entrypoint-ftp-passive-7
      - traefik.tcp.routers.router-ftp-passive-7.rule=HostSNI(`*`)
      - traefik.tcp.routers.router-ftp-passive-7.service=service-ftp-passive-7

      - traefik.tcp.routers.router-ftp-passive-8.entrypoints=entrypoint-ftp-passive-8
      - traefik.tcp.routers.router-ftp-passive-8.rule=HostSNI(`*`)
      - traefik.tcp.routers.router-ftp-passive-8.service=service-ftp-passive-8

      - traefik.tcp.routers.router-ftp-passive-9.entrypoints=entrypoint-ftp-passive-9
      - traefik.tcp.routers.router-ftp-passive-9.rule=HostSNI(`*`)
      - traefik.tcp.routers.router-ftp-passive-9.service=service-ftp-passive-9

      - traefik.tcp.services.service-ftp.loadbalancer.server.port=21

      - traefik.tcp.services.service-ftp-passive-0.loadbalancer.server.port=30000
      - traefik.tcp.services.service-ftp-passive-1.loadbalancer.server.port=30001
      - traefik.tcp.services.service-ftp-passive-2.loadbalancer.server.port=30002
      - traefik.tcp.services.service-ftp-passive-3.loadbalancer.server.port=30003
      - traefik.tcp.services.service-ftp-passive-4.loadbalancer.server.port=30004
      - traefik.tcp.services.service-ftp-passive-5.loadbalancer.server.port=30005
      - traefik.tcp.services.service-ftp-passive-6.loadbalancer.server.port=30006
      - traefik.tcp.services.service-ftp-passive-7.loadbalancer.server.port=30007
      - traefik.tcp.services.service-ftp-passive-8.loadbalancer.server.port=30008
      - traefik.tcp.services.service-ftp-passive-9.loadbalancer.server.port=30009

networks:
  default:
    external:
      name: (TRAEFIK-NETWORK)

EOF

запускаем ftpd

docker-compose up -d

так же у traefik в docker-compose.yml необходимо изменить секции "command" и "ports"

в секцию command добавляем

command:
  - --entrypoints.entrypoint-ftp.address=:21
  - --entrypoints.entrypoint-ftp-passive-0.address=:30000
  - --entrypoints.entrypoint-ftp-passive-1.address=:30001
  - --entrypoints.entrypoint-ftp-passive-2.address=:30002
  - --entrypoints.entrypoint-ftp-passive-3.address=:30003
  - --entrypoints.entrypoint-ftp-passive-4.address=:30004
  - --entrypoints.entrypoint-ftp-passive-5.address=:30005
  - --entrypoints.entrypoint-ftp-passive-6.address=:30006
  - --entrypoints.entrypoint-ftp-passive-7.address=:30007
  - --entrypoints.entrypoint-ftp-passive-8.address=:30008
  - --entrypoints.entrypoint-ftp-passive-9.address=:30009

в секцию ports добавляем

ports:
  - "21:21"
  - "30000-30009:30000-30009"

после пересобираем treafik

docker-compose up -d