使用 Heroku/gunicorn/django 配置部署时出现问题

我正在尝试在 heroku 上运行我的 django 应用程序。

文件夹结构：

app/
  Procfile
  docs/
  ...
  project/
    manage.py
    wsgi.py
    <django apps>

Procfile

web: gunicorn --pythonpath="$PWD/project" wsgi:application --log-file=-

我收到的错误：

2015-02-16T16:05:00.646316+00:00 heroku[web.1]: Starting process with command `gunicorn --pythonpath="$PWD/project" wsgi:application --log-file=-`
2015-02-16T16:05:02.697633+00:00 app[web.1]: [2015-02-16 16:05:02 +0000] [3] [INFO] Listening at: http://0.0.0.0:44846 (3)
2015-02-16T16:05:02.709567+00:00 app[web.1]: [2015-02-16 16:05:02 +0000] [9] [INFO] Booting worker with pid: 9
2015-02-16T16:05:02.696968+00:00 app[web.1]: [2015-02-16 16:05:02 +0000] [3] [INFO] Starting gunicorn 19.1.1
2015-02-16T16:05:02.697790+00:00 app[web.1]: [2015-02-16 16:05:02 +0000] [3] [INFO] Using worker: sync
2015-02-16T16:05:02.793753+00:00 app[web.1]: [2015-02-16 16:05:02 +0000] [10] [INFO] Booting worker with pid: 10
2015-02-16T16:05:03.157305+00:00 app[web.1]: Traceback (most recent call last):
2015-02-16T16:05:03.157311+00:00 app[web.1]:   File "/app/.heroku/python/bin/gunicorn", line 11, in <module>
2015-02-16T16:05:03.157351+00:00 app[web.1]:     sys.exit(run())
2015-02-16T16:05:03.157383+00:00 app[web.1]:   File "/app/.heroku/python/lib/python2.7/site-packages/gunicorn/app/wsgiapp.py", line 74, in run
2015-02-16T16:05:03.157461+00:00 app[web.1]:     WSGIApplication("%(prog)s [OPTIONS] [APP_MODULE]").run()
2015-02-16T16:05:03.157463+00:00 app[web.1]:   File "/app/.heroku/python/lib/python2.7/site-packages/gunicorn/app/base.py", line 185, in run
2015-02-16T16:05:03.157506+00:00 app[web.1]:     super(Application, self).run()
2015-02-16T16:05:03.157527+00:00 app[web.1]:   File "/app/.heroku/python/lib/python2.7/site-packages/gunicorn/app/base.py", line 71, in run
2015-02-16T16:05:03.157604+00:00 app[web.1]:     Arbiter(self).run()
2015-02-16T16:05:03.157607+00:00 app[web.1]:   File "/app/.heroku/python/lib/python2.7/site-packages/gunicorn/arbiter.py", line 196, in run
2015-02-16T16:05:03.157635+00:00 app[web.1]:     self.halt(reason=inst.reason, exit_status=inst.exit_status)
2015-02-16T16:05:03.157656+00:00 app[web.1]:   File "/app/.heroku/python/lib/python2.7/site-packages/gunicorn/arbiter.py", line 292, in halt
2015-02-16T16:05:03.157730+00:00 app[web.1]:     self.stop()
2015-02-16T16:05:03.157744+00:00 app[web.1]:   File "/app/.heroku/python/lib/python2.7/site-packages/gunicorn/arbiter.py", line 343, in stop
2015-02-16T16:05:03.157814+00:00 app[web.1]:     time.sleep(0.1)
2015-02-16T16:05:03.157836+00:00 app[web.1]:   File "/app/.heroku/python/lib/python2.7/site-packages/gunicorn/arbiter.py", line 209, in handle_chld
2015-02-16T16:05:03.157887+00:00 app[web.1]:     self.reap_workers()
2015-02-16T16:05:03.157908+00:00 app[web.1]:   File "/app/.heroku/python/lib/python2.7/site-packages/gunicorn/arbiter.py", line 459, in reap_workers
2015-02-16T16:05:03.158009+00:00 app[web.1]:     raise HaltServer(reason, self.WORKER_BOOT_ERROR)
2015-02-16T16:05:03.158075+00:00 app[web.1]: gunicorn.errors.HaltServer: <HaltServer 'Worker failed to boot.' 3>
2015-02-16T16:05:03.904714+00:00 heroku[web.1]: Process exited with status 1
2015-02-16T16:05:03.914410+00:00 heroku[web.1]: State changed from starting to crashed

Update 1我的 wsgi.py 文件

import os

os.environ.setdefault("DJANGO_SETTINGS_MODULE", "config")
os.environ.setdefault("DJANGO_CONFIGURATION", "Production")

from configurations.wsgi import get_wsgi_application
application = get_wsgi_application()

在这里，我只是添加一些文本，因为 SO 有这个愚蠢的最小文本量，必须写在一个问题中。我的意思是，我确实明白需要保持质量，但如果问题是不言自明的，为什么还要强迫人们编写不需要的文本呢？谢谢，祝你有美好的一天！

Adding --preloadProcfile 中的 Gunicorn 命令将使您的 Traceback 更具可读性并显示实际错误。

Exmaple:

gunicorn project.wsgi:application --preload --workers 1