docker build failed at step 41 about robotreviewer HOT 4 CLOSED

sudo docker logs robotreviewer
Warning: PID file not written; -detached was passed.
Traceback (most recent call last):
  File "/var/lib/deploy/server.py", line 2, in <module>
    from robotreviewer import config
  File "/var/lib/deploy/robotreviewer/config.py", line 50, in <module>
    export_config(config())
  File "/var/lib/deploy/robotreviewer/config.py", line 44, in config
    return merge_dicts(json_config(), environ_config())
  File "/var/lib/deploy/robotreviewer/config.py", line 23, in json_config
    with open(path) as p:
FileNotFoundError: [Errno 2] No such file or directory: '/var/lib/deploy/robotreviewer/config.json'
Traceback (most recent call last):
  File "/var/lib/deploy/miniconda3/envs/robotreviewer/lib/python3.6/site-packages/celery/app/utils.py", line 359, in find_app
    sym = symbol_by_name(app, imp=imp)
  File "/var/lib/deploy/miniconda3/envs/robotreviewer/lib/python3.6/site-packages/celery/bin/base.py", line 504, in symbol_by_name
    return imports.symbol_by_name(name, imp=imp)
  File "/var/lib/deploy/miniconda3/envs/robotreviewer/lib/python3.6/site-packages/kombu/utils/imports.py", line 61, in symbol_by_name
    return getattr(module, cls_name) if cls_name else module
AttributeError: module 'robotreviewer' has no attribute 'ml_worker'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/var/lib/deploy/miniconda3/envs/robotreviewer/bin/celery", line 10, in <module>
    sys.exit(main())
  File "/var/lib/deploy/miniconda3/envs/robotreviewer/lib/python3.6/site-packages/celery/__main__.py", line 16, in main
    _main()
  File "/var/lib/deploy/miniconda3/envs/robotreviewer/lib/python3.6/site-packages/celery/bin/celery.py", line 322, in main
    cmd.execute_from_commandline(argv)
  File "/var/lib/deploy/miniconda3/envs/robotreviewer/lib/python3.6/site-packages/celery/bin/celery.py", line 496, in execute_from_commandline
    super(CeleryCommand, self).execute_from_commandline(argv)))
  File "/var/lib/deploy/miniconda3/envs/robotreviewer/lib/python3.6/site-packages/celery/bin/base.py", line 273, in execute_from_commandline
    argv = self.setup_app_from_commandline(argv)
  File "/var/lib/deploy/miniconda3/envs/robotreviewer/lib/python3.6/site-packages/celery/bin/base.py", line 479, in setup_app_from_commandline
    self.app = self.find_app(app)
  File "/var/lib/deploy/miniconda3/envs/robotreviewer/lib/python3.6/site-packages/celery/bin/base.py", line 501, in find_app
    return find_app(app, symbol_by_name=self.symbol_by_name)
  File "/var/lib/deploy/miniconda3/envs/robotreviewer/lib/python3.6/site-packages/celery/app/utils.py", line 362, in find_app
    sym = imp(app)
  File "/var/lib/deploy/miniconda3/envs/robotreviewer/lib/python3.6/site-packages/celery/utils/imports.py", line 104, in import_from_cwd
    return imp(module, package=package)
  File "/var/lib/deploy/miniconda3/envs/robotreviewer/lib/python3.6/importlib/__init__.py", line 126, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 994, in _gcd_import
  File "<frozen importlib._bootstrap>", line 971, in _find_and_load
  File "<frozen importlib._bootstrap>", line 955, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 665, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 678, in exec_module
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "/var/lib/deploy/robotreviewer/ml_worker.py", line 32, in <module>
    from robotreviewer import config
  File "/var/lib/deploy/robotreviewer/config.py", line 50, in <module>
    export_config(config())
  File "/var/lib/deploy/robotreviewer/config.py", line 44, in config
    return merge_dicts(json_config(), environ_config())
  File "/var/lib/deploy/robotreviewer/config.py", line 23, in json_config
    with open(path) as p:
FileNotFoundError: [Errno 2] No such file or directory: '/var/lib/deploy/robotreviewer/config.json'

(base) arash@AJ-780-1:~/Desktop/robotreviewer3$ sudo docker container ls 
CONTAINER ID        IMAGE               COMMAND                 CREATED             STATUS              PORTS                      NAMES
b3321393ad69        robotreviewer       "/var/lib/deploy/run"   2 hours ago         Up About an hour    127.0.0.1:5050->5000/tcp   robotreviewer

(base) arash@AJ-780-1:~/Desktop/robotreviewer3$ nmap -p 5050 localhost

Starting Nmap 7.01 ( https://nmap.org ) at 2019-04-25 21:58 IST
Nmap scan report for localhost (127.0.0.1)
Host is up (0.00012s latency).
PORT     STATE SERVICE
5050/tcp open  mmcc

Nmap done: 1 IP address (1 host up) scanned in 0.03 seconds

(base) arash@AJ-780-1:~/Desktop/robotreviewer3$ wget http://localhost:5050
--2019-04-25 21:58:32--  http://localhost:5050/
Resolving localhost (localhost)... 127.0.0.1
Connecting to localhost (localhost)|127.0.0.1|:5050... connected.
HTTP request sent, awaiting response... Read error (Connection reset by peer) in headers.
Retrying.

--2019-04-25 21:58:33--  (try: 2)  http://localhost:5050/
Connecting to localhost (localhost)|127.0.0.1|:5050... connected.
HTTP request sent, awaiting response... Read error (Connection reset by peer) in headers.
Retrying.