为啥 Heroku 每次都要安装这么多模块？

Posted 2023-02-19

【中文标题】为啥 Heroku 每次都要安装这么多模块？

【英文标题】：Why does Heroku has to install so many modules every time?为什么 Heroku 每次都要安装这么多模块？

【发布时间】：2020-05-20 05:32:52

【问题描述】：

我正在用 Django 开发一个应用程序，并将其部署在 Heroku 上。

为什么每次推送时 Heroku 都必须安装所有这些模块？

我知道有一种方法可以防止它一直这样做，因为当我部署另一个应用程序时，我以某种方式禁用了它，但我不记得该怎么做。

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remote:          Running setup.py install for backcall: started 
remote:            Running setup.py install for backcall: finished with status 'done' 
remote:          Running setup.py install for retrying: started 
remote:            Running setup.py install for retrying: finished with status 'done' 
remote:     Running setup.py install for diff-match-patch: started 
remote:         Running setup.py install for diff-match-patch: finished with status 'done' 
remote:          Running setup.py install for psycopg2: started 
remote:            Running setup.py install for psycopg2: finished with status 'done' 
remote:          Running setup.py install for PyYAML: started 
remote:            Running setup.py install for PyYAML: finished with status 'done' 
remote:          Running setup.py install for et-xmlfile: started 
remote:            Running setup.py install for et-xmlfile: finished with status 'done' 
remote:          Running setup.py install for openpyxl: started 
remote:            Running setup.py install for openpyxl: finished with status 'done' 
remote:          Running setup.py install for odfpy: started 
remote:   Running setup.py install for odfpy: finished with status 'done' 
remote:          Running setup.py install for django-staticfiles-moment: started 
remote:            Running setup.py install for django-staticfiles-moment: finished with status 'done' 
remote:          Running setup.py install for python-decouple: started 
remote:            Running setup.py install for python-decouple: finished with status 'done' 
remote:        Successfully installed Django-2.2.2 PyYAML-5.1.2 Pygments-2.4.2 backcall-0.1.0 backports.csv-1.0.7 certifi-2019.9.11 chardet-3.0.4 chart-studio-1.0.0 colorama-0.4.1 colorlover-0.3.0 decorator-4.4.1 defusedxml-0.6.0 diff-match-patch-20181111 dj-database-url-0.5.0 django-filter-2.2.0 django-heroku-0.3.1 django-import-export-1.2.0 django-staticfiles-moment-2.0.0 et-xmlfile-1.0.1 gunicorn-19.9.0 idna-2.8 ipython-7.9.0 ipython-genutils-0.2.0 jdcal-1.4.1 jedi-0.15.1 mysql-connector-python-8.0.16 numpy-1.17.2 odfpy-1.4.0 openpyxl-3.0.0 pandas-0.25.1 parso-0.5.1 pexpect-4.8.0 pickleshare-0.7.5 playsound-1.2.2 plotly-4.3.0 prompt-toolkit-2.0.10 protobuf-3.8.0 psycopg2-2.8.2 ptyprocess-0.6.0 python-dateutil-2.8.0 python-decouple-3.1 pytz-2019.1 requests-2.22.0 retrying-1.3.3 six-1.12.0 sqlparse-0.3.0 tablib-0.13.0 traitlets-4.3.3 urllib3-1.25.7 virtualenv-16.6.0 wcwidth-0.1.7 whitenoise-4.1.2 xlrd-1.2.0 xlwt-1.3.0

【问题讨论】：

你使用哪个 buildpack？

heroku buildpacks:set heroku/python

【参考方案1】：

我想我解决了：

必须完成here 列出的所有步骤，尤其是：

在你的项目主文件夹中添加一个名为 staticfiles 的文件夹，在里面 此文件夹添加一个名为 init.py 的文件并将其留空。

然后在你的 settings.py 中添加：

STATICSTORAGE = "Whitenoise.storage.CompressedManifestStaticFilesStorage" 

再次在settings.py中，在MIDDLEWARE内，添加：

'whitenoise.middleware.WhiteNoiseMiddleware',

然后从命令提示符运行

pip freeze>requirements.txt
pip install whitenoise
heroku run python manage.py collectstatic 

它将静态文件收集到远程文件夹中，在 heroku 应用程序目录中。