So…I a newbie working on a django app but when I try run heroku

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Asked: June 18, 20262026-06-18T05:23:21+00:00 2026-06-18T05:23:21+00:00

So…I a newbie working on a django app but when I try run heroku

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So…I a newbie working on a django app but when I try run heroku run python manage.py syncdb through a virtualbox heroku but it keeps telling me this below:

  (blog-venv)vagrant@precise64:/vagrant/projects/microblog$ heroku run python manage.py syncdb
Running `python manage.py syncdb` attached to terminal... up, run.9695
Traceback (most recent call last):
  File "manage.py", line 10, in <module>
    execute_from_command_line(sys.argv)
  File "/app/.heroku/python/lib/python2.7/site-packages/django/core/management/__init__.py", line 443, in execute_from_command_line
    utility.execute()
  File "/app/.heroku/python/lib/python2.7/site-packages/django/core/management/__init__.py", line 382, in execute
    self.fetch_command(subcommand).run_from_argv(self.argv)
  File "/app/.heroku/python/lib/python2.7/site-packages/django/core/management/base.py", line 196, in run_from_argv
    self.execute(*args, **options.__dict__)
  File "/app/.heroku/python/lib/python2.7/site-packages/django/core/management/base.py", line 232, in execute
    output = self.handle(*args, **options)
  File "/app/.heroku/python/lib/python2.7/site-packages/django/core/management/base.py", line 371, in handle
    return self.handle_noargs(**options)
  File "/app/.heroku/python/lib/python2.7/site-packages/django/core/management/commands/syncdb.py", line 57, in handle_noargs
    cursor = connection.cursor()
  File "/app/.heroku/python/lib/python2.7/site-packages/django/db/backends/__init__.py", line 306, in cursor
    cursor = self.make_debug_cursor(self._cursor())
  File "/app/.heroku/python/lib/python2.7/site-packages/django/db/backends/postgresql_psycopg2/base.py", line 177, in _cursor
    self.connection = Database.connect(**conn_params)
  File "/app/.heroku/python/lib/python2.7/site-packages/psycopg2/__init__.py", line 178, in connect
    return _connect(dsn, connection_factory=connection_factory, async=async)
psycopg2.OperationalError: could not connect to server: No such file or directory
    Is the server running locally and accepting
    connections on Unix domain socket "/var/run/postgresql/.s.PGSQL.5432"?

This is the link that that wont load my admin page in my app when deployed to heroku.

http://sheltered-dusk-5757.herokuapp.com/admin/

And this is also following the heroku django guide as well. https://devcenter.heroku.com/articles/django#database-settings

The following is my tree:

(blog-venv)vagrant@precise64:/vagrant/projects/microblog$ tree .
.
|-- manage.py
|-- microblog
|   |-- __init__.py
|   |-- __init__.pyc
|   |-- settings
|   |   |-- base.py
|   |   |-- base.pyc
|   |   |-- __init__.py
|   |   |-- __init__.pyc
|   |   |-- local.py
|   |   `-- local.pyc
|   |-- settings.pyc
|   |-- templates
|   |   |-- 500.html
|   |   `-- index.html
|   |-- urls.py
|   |-- urls.pyc
|   |-- wsgi.py
|   `-- wsgi.pyc
|-- Procfile
`-- requirements.txt

3 directories, 18 files

Inside my settings folder: init.py

# settings/__init__.py
from .base import *

try: 
    from .local import *
except ImportError:
    pass

local.py

DEBUG = True
TEMPLATE_DEBUG = DEBUG
DATABASES = { 
    'default': {
        'ENGINE': 'django.db.backends.postgresql_psycopg2', 
        'NAME': 'microblog',                      
        'USER': 'vagrant',                      
        'PASSWORD': '',                  
        'HOST': '',                      
        'PORT': '5432',                      
    }
}

Base.py

import os
import dj_database_url
# here() gives us file paths from the root of the system to the directory
# holding the current file.
here = lambda * x: os.path.join(os.path.abspath(os.path.dirname(__file__)), *x)

PROJECT_ROOT = here("..")
# root() gives us file paths from the root of the system to whatever
# folder(s) we pass it starting at the parent directory of the current file.
root = lambda * x: os.path.join(os.path.abspath(PROJECT_ROOT), *x)

DEBUG = False
TEMPLATE_DEBUG = DEBUG

ADMINS = (
#    ('myname', 'email'),
)

MANAGERS = ADMINS

DATABASES = {
    'default': dj_database_url.config()
}

# Local time zone for this installation. Choices can be found here:
# http://en.wikipedia.org/wiki/List_of_tz_zones_by_name
# although not all choices may be available on all operating systems.
# In a Windows environment this must be set to your system time zone.
TIME_ZONE = 'America/Chicago'

# Language code for this installation. All choices can be found here:
# http://www.i18nguy.com/unicode/language-identifiers.html
LANGUAGE_CODE = 'en-us'

SITE_ID = 1

# If you set this to False, Django will make some optimizations so as not
# to load the internationalization machinery.
USE_I18N = True

# If you set this to False, Django will not format dates, numbers and
# calendars according to the current locale.
USE_L10N = True

# If you set this to False, Django will not use timezone-aware datetimes.
USE_TZ = True

# Absolute filesystem path to the directory that will hold user-uploaded files.
# Example: "/home/media/media.lawrence.com/media/"
MEDIA_ROOT = ''

# URL that handles the media served from MEDIA_ROOT. Make sure to use a
# trailing slash.
# Examples: "http://media.lawrence.com/media/", "http://example.com/media/"
MEDIA_URL = ''

# Absolute path to the directory static files should be collected to.
# Don't put anything in this directory yourself; store your static files
# in apps' "static/" subdirectories and in STATICFILES_DIRS.
# Example: "/home/media/media.lawrence.com/static/"
STATIC_ROOT = root("..","static")

# URL prefix for static files.
# Example: "http://media.lawrence.com/static/"
STATIC_URL = '/static/'

# Additional locations of static files
STATICFILES_DIRS = (
    # Put strings here, like "/home/html/static" or "C:/www/django/static".
    # Always use forward slashes, even on Windows.
    # Don't forget to use absolute paths, not relative paths.
    root("assets"),
)

# List of finder classes that know how to find static files in
# various locations.
STATICFILES_FINDERS = (
    'django.contrib.staticfiles.finders.FileSystemFinder',
    'django.contrib.staticfiles.finders.AppDirectoriesFinder',
#    'django.contrib.staticfiles.finders.DefaultStorageFinder',
)

# Make this unique, and don't share it with anybody.
SECRET_KEY = 'i-5%d5z&amp;a8z95@&amp;8@x0k*4zczs#38s-ui0=99i6ck7bdy_3af4'

# List of callables that know how to import templates from various sources.
TEMPLATE_LOADERS = (
    'django.template.loaders.filesystem.Loader',
    'django.template.loaders.app_directories.Loader',
#     'django.template.loaders.eggs.Loader',
)

MIDDLEWARE_CLASSES = (
    'django.middleware.common.CommonMiddleware',
    'django.contrib.sessions.middleware.SessionMiddleware',
    'django.middleware.csrf.CsrfViewMiddleware',
    'django.contrib.auth.middleware.AuthenticationMiddleware',
    'django.contrib.messages.middleware.MessageMiddleware',
    'django.middleware.clickjacking.XFrameOptionsMiddleware',
)

ROOT_URLCONF = 'microblog.urls'

# Python dotted path to the WSGI application used by Django's runserver.
WSGI_APPLICATION = 'microblog.wsgi.application'

TEMPLATE_DIRS = (
    # Put strings here, like "/home/html/django_templates" or "C:/www/django/templates".
    # Always use forward slashes, even on Windows.
    # Don't forget to use absolute paths, not relative paths.
    root("templates"),
)



DJANGO_APPS = (
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.sites',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'django.contrib.admin',
)

LOCAL_APPS = (

)

THIRD_PARTY_APPS = (

)

INSTALLED_APPS = DJANGO_APPS + THIRD_PARTY_APPS + LOCAL_APPS


# A sample logging configuration. The only tangible logging
# performed by this configuration is to send an email to
# the site admins on every HTTP 500 error when DEBUG=False.
# See http://docs.djangoproject.com/en/dev/topics/logging for
# more details on how to customize your logging configuration.
LOGGING = {
    'version': 1,
    'disable_existing_loggers': False,
    'filters': {
        'require_debug_false': {
            '()': 'django.utils.log.RequireDebugFalse'
        }
    },
    'handlers': {
        'mail_admins': {
            'level': 'ERROR',
            'filters': ['require_debug_false'],
            'class': 'django.utils.log.AdminEmailHandler'
        }
    },
    'loggers': {
        'django.request': {
            'handlers': ['mail_admins'],
            'level': 'ERROR',
            'propagate': True,
        },
    }
}

Thanks for the help guys.

EDITED:: PROBLEM SOLVED

Keep the base.py as:

DATABASES = {'default' : dj_database_url.config() }

Then Comment out the local.py database before deployment…

If a fatal error occurs:
https://devcenter.heroku.com/articles/postgres-logs-errors#fatal-role-rolename

Afterwards go into postgres.heroku.com and find the color of your database and promote it back into your app.

Everything should be working now 🙂

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1 Answer

Editorial Team · Answer 1 · 2026-06-18T05:23:22+00:00

Editorial Team

2026-06-18T05:23:22+00:00Added an answer on June 18, 2026 at 5:23 am

Try this

import dj_database_url
DATABASES = {'default': dj_database_url.config(default='postgres://localhost')}

instead of what you have into settings right now

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