BUG: AttributeError: module 'aleph.manage' has no attribute 'app' on 3.15.5

[lyz-code]

Describe the bug
If I remove the command directive in the API section of the docker-compose the server fails to start

To Reproduce
Steps to reproduce the behavior:

1. remove the command directive in the API section of the docker-compose
2. Start the server
3. See error

Expected behavior
Server starts

Aleph version
3.15.5

Screenshots
If applicable, add screenshots to help explain your problem.

Additional context
I've already seen the issues #3611, #3606 and checked the main version of the docker compose. My current compose is

---
version: "3.2"
services:
  postgres:
    image: postgres:10.0
    volumes:
      - database:/var/lib/postgresql/data
    environment:
      POSTGRES_USER: XXXXXXXXXX
      POSTGRES_PASSWORD: XXXXXXXXX
      POSTGRES_DATABASE: XXXXXXXXXX
    restart: on-failure

  elasticsearch:
    image: ghcr.io/alephdata/aleph-elasticsearch:$ELASTICSEARCH_VERSION
    hostname: elasticsearch
    environment:
      - discovery.type=single-node
    volumes:
      - elasticsearch:/usr/share/elasticsearch/data
    restart: on-failure
    env_file:
      - .env

  redis:
    image: redis:alpine
    command: ["redis-server", "--save", "3600", "10"]
    volumes:
      - redis:/data
    restart: on-failure

  ingest-file:
    image: ghcr.io/alephdata/ingest-file:$INGEST_FILE_VERSION
    tmpfs:
      - /tmp:mode=777
    volumes:
      - app:/data
    depends_on:
      - postgres
      - redis
    restart: on-failure
    environment:
      WORKER_THREADS: 0
    env_file:
      - .env

  worker:
    image: ghcr.io/alephdata/aleph:$ALEPH_VERSION
    command: aleph worker
    restart: on-failure
    depends_on:
      - postgres
      - elasticsearch
      - redis
      - ingest-file
    tmpfs:
      - /tmp
    volumes:
      - app:/data
    env_file:
      - .env

  shell:
    image: ghcr.io/alephdata/aleph:$ALEPH_VERSION
    command: /bin/bash
    depends_on:
      - postgres
      - elasticsearch
      - redis
      - ingest-file
      - worker
    tmpfs:
      - /tmp
    volumes:
      - app:/data
      # - "./mappings:/aleph/mappings"
      - "~:/host"
    env_file:
      - .env

  api:
    image: ghcr.io/alephdata/aleph:$ALEPH_VERSION
    # command: gunicorn -w 6 -b 0.0.0.0:8000 --log-level debug --log-file - aleph.wsgi:app
    expose:
      - 8000
    depends_on:
      - postgres
      - elasticsearch
      - redis
      - worker
      - ingest-file
    tmpfs:
      - /tmp
    volumes:
      - app:/data
    env_file:
      - .env
    restart: on-failure
    
  ui:
    image: ghcr.io/alephdata/aleph-ui-production:$ALEPH_VERSION
    depends_on:
      - api
    ports:
      - "8080:8080"
    restart: on-failure
    env_file:
      - .env

      
volumes:
  app:
    driver: local
    driver_opts:
      type: none
      o: bind
      device: /aleph/app
  database: 
    driver: local
    driver_opts:
      type: none
      o: bind
      device: /aleph/database
  redis: 
    driver: local
    driver_opts:
      type: none
      o: bind
      device: /aleph/redis
  elasticsearch: 
    driver: local
    driver_opts:
      type: none
      o: bind
      device: /aleph/elasticsearch

with the next .env file:

ALEPH_VERSION=3.15.5
INGEST_FILE_VERSION=3.20.2
ELASTICSEARCH_VERSION=3bb5dbed97cfdb9955324d11e5c623a5c5bbc410

ALEPH_SECRET_KEY=XXXXXX
ALEPH_APP_TITLE=XXXXXX
ALEPH_APP_NAME=XXXXXX
ALEPH_UI_URL=XXXXXX
ALEPH_URL_SCHEME=https
ALEPH_SAMPLE_SEARCHES=Vladimir Putin:TeliaSonera
ALEPH_ADMINS=XXXXXX
ALEPH_SINGLE_USER=false
ALEPH_PASSWORD_LOGIN=false
ALEPH_OAUTH=true
ALEPH_OAUTH_HANDLER=XXXXXX
ALEPH_OAUTH_KEY=XXXXXX
ALEPH_OAUTH_SECRET=XXXXXX
ALEPH_OAUTH_METADATA_URL=XXXXX
ALEPH_OCR_DEFAULTS=eng
ALEPH_DEBUG=true
LOG_FORMAT=JSON  # TEXT or JSON
PROMETHEUS_ENABLED=true