Exception Value: relation "django_session" does not exist

[Mic]

Hello,

I found a Django project and failed to get it running in Docker container in the following way:

 1. `git clone git clone https://github.com/NAL-i5K/django-blast.git`

 2. `$ cat requirements.txt` in this files the below dependencies had to be updated:

    - psycopg2==2.8.6 

I have the following Dockerfile:

```

FROM python:2

ENV PYTHONUNBUFFERED=1

RUN apt-get update && apt-get install -y postgresql-client

WORKDIR /code

COPY requirements.txt /code/

RUN pip install -r requirements.txt

COPY . /code/

RUN mkdir -p /var/log/django

RUN mkdir -p /var/log/i5k

```

For `docker-compose.yml` I use:

```

version: "3"

services:

  db:

    image: postgres

    volumes:

      - ./data/db:/var/lib/postgresql/data

      - ./scripts/install-extensions.sql:/docker-entrypoint-initdb.d/install-extensions.sql

    environment:

      - POSTGRES_DB=postgres

      - POSTGRES_USER=postgres

      - POSTGRES_PASSWORD=postgres

  web:

    build: .

    command: python manage.py runserver 0.0.0.0:8000

    volumes:

      - .:/code

    ports:

      - "8000:8000"

    depends_on:

      - db

    links:

      - db

```

```

$ cat scripts/install-extensions.sql 

CREATE EXTENSION hstore;

```

I had to change:

```

    $ vim i5k/settings.py

    DATABASES = {

        'default': {

            'ENGINE': 'django.db.backends.postgresql_psycopg2',

            'NAME': 'postgres',

            'USER': 'postgres',

            'PASSWORD': 'postgres',

            'HOST': 'db',

            'PORT': '5432',

            }

    }

```

Next, I ran `docker-compose up --build` and opened in Browser `http://localhost:8000/admin/` which caused:

```

Environment:

Request Method: GET

Request URL: http://localhost:8000/admin/

Django Version: 1.8.12

Python Version: 2.7.18

Installed Applications:

('django.contrib.auth',

 'django.contrib.contenttypes',

 'django.contrib.sessions',

 'django.contrib.sites',

 'django.contrib.messages',

 'django.contrib.staticfiles',

 'django.contrib.postgres',

 'axes',

 'rest_framework',

 'rest_framework_swagger',

 'pipeline',

 'app',

 'blast',

 'migrate_account',

 'suit',

 'filebrowser',

 'django.contrib.admin',

 'django.contrib.admindocs',

 'social.apps.django_app.default',

 'captcha',

 'dashboard',

 'proxy',

 'hmmer',

 'clustal',

 'webapollo_sso',

 'drupal_sso')

Installed Middleware:

('django.middleware.common.CommonMiddleware',

 'django.contrib.sessions.middleware.SessionMiddleware',

 'django.middleware.csrf.CsrfViewMiddleware',

 'django.contrib.auth.middleware.AuthenticationMiddleware',

 'django.contrib.messages.middleware.MessageMiddleware',

 'axes.middleware.FailedLoginMiddleware',

 'app.middleware.SocialAuthExceptionMiddleware')

Traceback:

File "/usr/local/lib/python2.7/site-packages/django/core/handlers/base.py" in get_response

  132.                     response = wrapped_callback(request, *callback_args, **callback_kwargs)

File "/usr/local/lib/python2.7/site-packages/django/contrib/admin/sites.py" in wrapper

  254.                 return self.admin_view(view, cacheable)(*args, **kwargs)

File "/usr/local/lib/python2.7/site-packages/django/utils/decorators.py" in _wrapped_view

  110.                     response = view_func(request, *args, **kwargs)

File "/usr/local/lib/python2.7/site-packages/django/views/decorators/cache.py" in _wrapped_view_func

  57.         response = view_func(request, *args, **kwargs)

File "/usr/local/lib/python2.7/site-packages/django/contrib/admin/sites.py" in inner

  222.             if not self.has_permission(request):

File "/usr/local/lib/python2.7/site-packages/django/contrib/admin/sites.py" in has_permission

  162.         return request.user.is_active and request.user.is_staff

File "/usr/local/lib/python2.7/site-packages/django/utils/functional.py" in inner

  225.             self._setup()

File "/usr/local/lib/python2.7/site-packages/django/utils/functional.py" in _setup

  376.         self._wrapped = self._setupfunc()

File "/usr/local/lib/python2.7/site-packages/django/contrib/auth/middleware.py" in <lambda>

  22.         request.user = SimpleLazyObject(lambda: get_user(request))

File "/usr/local/lib/python2.7/site-packages/django/contrib/auth/middleware.py" in get_user

  10.         request._cached_user = auth.get_user(request)

File "/usr/local/lib/python2.7/site-packages/django/contrib/auth/__init__.py" in get_user

  167.         user_id = _get_user_session_key(request)

File "/usr/local/lib/python2.7/site-packages/django/contrib/auth/__init__.py" in _get_user_session_key

  59.     return get_user_model()._meta.pk.to_python(request.session[SESSION_KEY])

File "/usr/local/lib/python2.7/site-packages/django/contrib/sessions/backends/base.py" in __getitem__

  48.         return self._session[key]

File "/usr/local/lib/python2.7/site-packages/django/contrib/sessions/backends/base.py" in _get_session

  181.                 self._session_cache = self.load()

File "/usr/local/lib/python2.7/site-packages/django/contrib/sessions/backends/db.py" in load

  21.                 expire_date__gt=timezone.now()

File "/usr/local/lib/python2.7/site-packages/django/db/models/manager.py" in manager_method

  127.                 return getattr(self.get_queryset(), name)(*args, **kwargs)

File "/usr/local/lib/python2.7/site-packages/django/db/models/query.py" in get

  328.         num = len(clone)

File "/usr/local/lib/python2.7/site-packages/django/db/models/query.py" in __len__

  144.         self._fetch_all()

File "/usr/local/lib/python2.7/site-packages/django/db/models/query.py" in _fetch_all

  965.             self._result_cache = list(self.iterator())

File "/usr/local/lib/python2.7/site-packages/django/db/models/query.py" in iterator

  238.         results = compiler.execute_sql()

File "/usr/local/lib/python2.7/site-packages/django/db/models/sql/compiler.py" in execute_sql

  840.             cursor.execute(sql, params)

File "/usr/local/lib/python2.7/site-packages/django/db/backends/utils.py" in execute

  79.             return super(CursorDebugWrapper, self).execute(sql, params)

File "/usr/local/lib/python2.7/site-packages/django/db/backends/utils.py" in execute

  64.                 return self.cursor.execute(sql, params)

File "/usr/local/lib/python2.7/site-packages/django/db/utils.py" in __exit__

  98.                 six.reraise(dj_exc_type, dj_exc_value, traceback)

File "/usr/local/lib/python2.7/site-packages/django/db/backends/utils.py" in execute

  64.                 return self.cursor.execute(sql, params)

Exception Type: ProgrammingError at /admin/

Exception Value: relation "django_session" does not exist

LINE 1: ...ession_data", "django_session"."expire_date" FROM "django_se...

```

What did I miss?

Thank you in advance

[RANGA BHARATH JINKA]

hi, 

Run migrations. python manage.py makemigrations and python manage.py migrate

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Thanks and Regards

J. Ranga Bharath

cell: 9110334114

[Michał T. Lorenc]

Hi,

Thank you it works.

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[RANGA BHARATH JINKA]

You are welcome :-)

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