我在heroku上部署Django應用程序，部署成功後，我開始運行了。Error

Question

OperationalError at /admin/login/ 
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"? 

Request Method: POST 
Django Version: 1.10b1 
Exception Type: OperationalError 
Exception Value:  
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"? 
Exception Location: /app/.heroku/python/lib/python2.7/site-packages/psycopg2/__init__.py in connect, line 164 
Python Executable: /app/.heroku/python/bin/python 
Python Version: 2.7.12 
Python Path:  
['/app', 
'/app/.heroku/python/bin', 
'/app', 
'/app/.heroku/python/lib/python27.zip', 
'/app/.heroku/python/lib/python2.7', 
'/app/.heroku/python/lib/python2.7/plat-linux2', 
'/app/.heroku/python/lib/python2.7/lib-tk', 
'/app/.heroku/python/lib/python2.7/lib-old', 
'/app/.heroku/python/lib/python2.7/lib-dynload', 
'/app/.heroku/python/lib/python2.7/site-packages', 
'/app/.heroku/python/lib/python2.7/site-packages/setuptools-25.2.0-py2.7.egg', 
'/app/.heroku/python/lib/python2.7/site-packages/pip-8.1.2-py2.7.egg'] 

Answer 1

數據庫設置存在問題。您必須修改數據庫設置才能部署到Heroku。我從來沒有使用它，但這個頁面介紹瞭如何爲Django的配置數據庫： https://devcenter.heroku.com/articles/django-app-configuration