使用 Heroku 部署 Django

标签 django heroku

我正在尝试使用heroku 部署现有的django 项目,遵循heroku 提供的演练并根据需要进行调整以适应我的项目。只是快速浏览一下我到目前为止所做的事情:

  • 在我的 virtualenv 中安装了 django-toolbelt
  • 在我的项目根目录中创建了一个名为 Procile 的 Procfile,其中包括:

    web: gunicorn projectname.wsgi
    
  • 使用foreman start确认我的项目仍然在本地正常运行

  • 使用 pip freeze 创建了 requirements.txt 并将其放置在我的项目的根目录中
  • 将以下内容添加到settings.py:

    import dj_database_url
    DATABASES['default'] =  dj_database_url.config()
    
    # Honor the 'X-Forwarded-Proto' header for request.is_secure()
    SECURE_PROXY_SSL_HEADER = ('HTTP_X_FORWARDED_PROTO', 'https')
    
    # Allow all host headers
    ALLOWED_HOSTS = ['*']
    
    # Static asset configuration
    import os
    BASE_DIR = os.path.dirname(os.path.abspath(__file__))
    STATIC_ROOT = 'staticfiles'
    STATIC_URL = '/static/'
    
     STATICFILES_DIRS = (
     os.path.join(BASE_DIR, 'static'),
    )
    

这是我有点困惑的一点,演练没有提到我现有的数据库设置会发生什么,保持原样,删除,更改?

  • 向 wsgi.py 添加了以下内容:

    from django.core.wsgi import get_wsgi_application
    from dj_static import Cling
    
    application = Cling(get_wsgi_application())
    
  • 将heroku添加为git远程并将我的项目推送到heroku。它起作用了。

  • heroku ps:scale web=1

但是,当我尝试访问我的项目时,我收到应用程序错误。当我使用 heroku heroku ps --app projectname 检查状态时,它说测功机已崩溃。重新启动没有任何作用。

heroku log --app 项目名称 产量:

2013-07-18T00:01:14.246956+00:00 heroku[web.1]: Starting process with command `gunicorn projectname.wsgi`
2013-07-18T00:01:16.054952+00:00 app[web.1]: 2013-07-18 00:01:16 [2] [INFO] Starting gunicorn 17.5
2013-07-18T00:01:16.058972+00:00 app[web.1]: 2013-07-18 00:01:16 [2] [INFO] Listening at: http://0.0.0.0:55131 (2)
2013-07-18T00:01:16.061566+00:00 app[web.1]: 2013-07-18 00:01:16 [2] [INFO] Using worker: sync
2013-07-18T00:01:16.080073+00:00 app[web.1]: 2013-07-18 00:01:16 [7] [INFO] Booting worker with pid: 7
2013-07-18T00:01:16.091347+00:00 app[web.1]: Traceback (most recent call last):
2013-07-18T00:01:16.091347+00:00 app[web.1]:   File "/app/.heroku/python/lib/python2.7/site-packages/gunicorn/arbiter.py", line 473, in spawn_worker
2013-07-18T00:01:16.091347+00:00 app[web.1]:   File "/app/.heroku/python/lib/python2.7/site-packages/gunicorn/workers/base.py", line 100, in init_process
2013-07-18T00:01:16.091347+00:00 app[web.1]:     worker.init_process()
2013-07-18T00:01:16.091347+00:00 app[web.1]:     self.wsgi = self.app.wsgi()
2013-07-18T00:01:16.091347+00:00 app[web.1]:     self.callable = self.load()
2013-07-18T00:01:16.091558+00:00 app[web.1]:   File "/app/.heroku/python/lib/python2.7/site-packages/gunicorn/util.py", line 353, in import_app
2013-07-18T00:01:16.091347+00:00 app[web.1]:     return util.import_app(self.app_uri)
2013-07-18T00:01:16.091558+00:00 app[web.1]:     __import__(module)
2013-07-18T00:01:16.091347+00:00 app[web.1]: 2013-07-18 00:01:16 [7] [ERROR] Exception in  worker process:
2013-07-18T00:01:16.091347+00:00 app[web.1]:   File "/app/.heroku/python/lib/python2.7/site-packages/gunicorn/app/wsgiapp.py", line 33, in load
2013-07-18T00:01:16.091558+00:00 app[web.1]: Traceback (most recent call last):
2013-07-18T00:01:16.091771+00:00 app[web.1]:     return util.import_app(self.app_uri)
2013-07-18T00:01:16.091771+00:00 app[web.1]:     __import__(module)
2013-07-18T00:01:16.091558+00:00 app[web.1]:   File "/app/.heroku/python/lib/python2.7/site-packages/gunicorn/workers/base.py", line 100, in init_process
2013-07-18T00:01:16.091558+00:00 app[web.1]:   File "/app/.heroku/python/lib/python2.7/site-packages/gunicorn/app/base.py", line 115, in wsgi
2013-07-18T00:01:16.091771+00:00 app[web.1]:   File "/app/.heroku/python/lib/python2.7/site-packages/gunicorn/app/wsgiapp.py", line 33, in load
2013-07-18T00:01:16.091347+00:00 app[web.1]:   File "/app/.heroku/python/lib/python2.7/site-packages/gunicorn/app/base.py", line 115, in wsgi
2013-07-18T00:01:16.091558+00:00 app[web.1]:   File "/app/.heroku/python/lib/python2.7/site-packages/gunicorn/arbiter.py", line 473, in spawn_worker
2013-07-18T00:01:16.091558+00:00 app[web.1]:     self.callable = self.load()
2013-07-18T00:01:16.091771+00:00 app[web.1]: ImportError: No module named projectname.wsgi
2013-07-18T00:01:16.091558+00:00 app[web.1]: ImportError: No module named projectname.wsgi
2013-07-18T00:01:16.091558+00:00 app[web.1]:     self.wsgi = self.app.wsgi()
2013-07-18T00:01:16.091558+00:00 app[web.1]:     worker.init_process()
2013-07-18T00:01:16.099257+00:00 app[web.1]: 2013-07-18 00:01:16 [7] [INFO] Worker exiting (pid: 7)
2013-07-18T00:01:16.091771+00:00 app[web.1]:   File "/app/.heroku/python/lib/python2.7/site-packages/gunicorn/util.py", line 353, in import_app
2013-07-18T00:01:16.286985+00:00 app[web.1]: 2013-07-18 00:01:16 [2] [INFO] Shutting down: Master
2013-07-18T00:01:16.288144+00:00 app[web.1]: 2013-07-18 00:01:16 [2] [INFO] Reason: Worker failed to boot.
2013-07-18T00:01:17.956769+00:00 heroku[web.1]: Process exited with status 3
2013-07-18T00:01:17.981029+00:00 heroku[web.1]: State changed from starting to crashed
2013-07-18T00:11:46.404151+00:00 heroku[web.1]: State changed from crashed to starting
2013-07-18T00:11:50.427658+00:00 heroku[web.1]: Starting process with command `gunicorn projectname.wsgi`
2013-07-18T00:11:51.405718+00:00 app[web.1]: 2013-07-18 00:11:51 [2] [INFO] Starting gunicorn 17.5
2013-07-18T00:11:51.406995+00:00 app[web.1]: 2013-07-18 00:11:51 [2] [INFO] Listening at: http://0.0.0.0:21344 (2)
2013-07-18T00:11:51.407226+00:00 app[web.1]: 2013-07-18 00:11:51 [2] [INFO] Using worker: sync
2013-07-18T00:11:51.418300+00:00 app[web.1]: 2013-07-18 00:11:51 [7] [INFO] Booting worker with pid: 7
2013-07-18T00:11:51.425145+00:00 app[web.1]: Traceback (most recent call last):
2013-07-18T00:11:51.425145+00:00 app[web.1]:   File "/app/.heroku/python/lib/python2.7/site-packages/gunicorn/app/wsgiapp.py", line 33, in load
2013-07-18T00:11:51.425145+00:00 app[web.1]: 2013-07-18 00:11:51 [7] [ERROR] Exception in worker process:
2013-07-18T00:11:51.425145+00:00 app[web.1]:     self.callable = self.load()
2013-07-18T00:11:51.425145+00:00 app[web.1]:     worker.init_process()
2013-07-18T00:11:51.425145+00:00 app[web.1]:     self.wsgi = self.app.wsgi()
2013-07-18T00:11:51.425145+00:00 app[web.1]:   File "/app/.heroku/python/lib/python2.7/site-packages/gunicorn/app/base.py", line 115, in wsgi
2013-07-18T00:11:51.425145+00:00 app[web.1]:     return util.import_app(self.app_uri)
2013-07-18T00:11:51.425145+00:00 app[web.1]:   File "/app/.heroku/python/lib/python2.7/site-packages/gunicorn/arbiter.py", line 473, in spawn_worker
2013-07-18T00:11:51.425145+00:00 app[web.1]:   File "/app/.heroku/python/lib/python2.7/site-packages/gunicorn/workers/base.py", line 100, in init_process
2013-07-18T00:11:51.425341+00:00 app[web.1]:   File "/app/.heroku/python/lib/python2.7/site-packages/gunicorn/util.py", line 353, in import_app
2013-07-18T00:11:51.425341+00:00 app[web.1]:     __import__(module)
2013-07-18T00:11:51.425341+00:00 app[web.1]: ImportError: No module named projectname.wsgi
2013-07-18T00:11:51.425341+00:00 app[web.1]: Traceback (most recent call last):
2013-07-18T00:11:51.425341+00:00 app[web.1]:   File "/app/.heroku/python/lib/python2.7/site-packages/gunicorn/arbiter.py", line 473, in spawn_worker
2013-07-18T00:11:51.425341+00:00 app[web.1]:   File "/app/.heroku/python/lib/python2.7/site-packages/gunicorn/workers/base.py", line 100, in init_process
2013-07-18T00:11:51.425341+00:00 app[web.1]:     self.callable = self.load()
2013-07-18T00:11:51.425341+00:00 app[web.1]:     worker.init_process()
2013-07-18T00:11:51.425341+00:00 app[web.1]:   File "/app/.heroku/python/lib/python2.7/site-packages/gunicorn/app/base.py", line 115, in wsgi
2013-07-18T00:11:51.425341+00:00 app[web.1]:     self.wsgi = self.app.wsgi()
2013-07-18T00:11:51.425513+00:00 app[web.1]:     return util.import_app(self.app_uri)
2013-07-18T00:11:51.425513+00:00 app[web.1]:   File "/app/.heroku/python/lib/python2.7/site-packages/gunicorn/app/wsgiapp.py", line 33, in load
2013-07-18T00:11:51.425513+00:00 app[web.1]:   File "/app/.heroku/python/lib/python2.7/site-packages/gunicorn/util.py", line 353, in import_app
2013-07-18T00:11:51.425513+00:00 app[web.1]:     __import__(module)
2013-07-18T00:11:51.425513+00:00 app[web.1]: ImportError: No module named projectname.wsgi
2013-07-18T00:11:51.425868+00:00 app[web.1]: 2013-07-18 00:11:51 [7] [INFO] Worker exiting (pid: 7)
2013-07-18T00:11:51.550395+00:00 app[web.1]: 2013-07-18 00:11:51 [2] [INFO] Shutting down: Master
2013-07-18T00:11:51.550395+00:00 app[web.1]: 2013-07-18 00:11:51 [2] [INFO] Reason: Worker failed to boot.
2013-07-18T00:11:52.851413+00:00 heroku[web.1]: Process exited with status 3
2013-07-18T00:11:52.867339+00:00 heroku[web.1]: State changed from starting to crashed
2013-07-18T00:14:14.285978+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path=/ host=projectname.herokuapp.com fwd="173.54.54.86" dyno= connect= service= status=503 bytes=
2013-07-18T00:14:14.405875+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path=/favicon.ico host=projectname.herokuapp.com fwd="173.54.54.86" dyno= connect= service= status=503 bytes=

任何帮助/建议将不胜感激,我找不到直接联系 Heroku 的方法,所有内容都指向您。

最佳答案

This is one point where I'm a bit confused, the walkthrough made no mention of what happens with my existing db settings, leave as is, remove, change?

我也遵循了他们的演练并遇到了同样的问题。对我来说,是 DATABASES 语句导致了错误。我用他们提供的数据库配置替换了我的数据库配置,而它必须添加到您的数据库设置已经创建的字典中。因此,无需替换数据库语句,只需添加:

DATABASES['default'] =  dj_database_url.config()

关于使用 Heroku 部署 Django,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/17712568/

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