Django:使用 sqlite3 作为数据库在 Heroku 上部署应用程序
我想在 Heroku 上部署一个使用 sqlite3 作为数据库的应用程序.但是，似乎 Heroku 不支持使用 sqlite3 作为数据库的应用程序.这是真的吗?有没有办法在 Heroku 上部署我的 sqlite3 支持的应用程序?
I want to deploy an application with sqlite3 as the database on Heroku. However, it seems to be that Heroku doesn't support applications with sqlite3 as the database. Is it true? Is there no way to deploy my sqlite3-backed application on Heroku?
PS:我已经使用 PythonAnywhere 成功部署了我的应用程序，但现在想知道是否有任何可能的方式使用 Heroku 部署它.
PS: I have successfully deployed my application using PythonAnywhere, but would now like to know whether there's any possible way to deploy it using Heroku.
推荐答案
由于 Heroku 的 dynos 没有跨部署持续存在的文件系统，因此 SQLite3 等基于文件的数据库将不适合.不过，对于开发/快速原型来说，这是一个很棒的数据库.
As Heroku's dynos don't have a filesystem that persists across deploys, a file-based database like SQLite3 isn't going to be suitable. It's a great DB for development/quick prototypes, though.
Heroku do 有 一个 Postgres 产品，但是它适合 - 带有免费套餐和每月 9 美元的基本套餐，适合业余爱好/小型项目.与 SQLite 相比，最大的好处是您可以获得其他方式无法获得的备份(以及所有其他 Postgres 功能).
Heroku do have a Postgres offering however that will suit - with a free tier and a basic $9/month tier that are good for hobby/small projects. The biggest benefit over SQLite is that you get backups that you wouldn't get otherwise (plus all the other Postgres features).
这里有更新 settings.py 以使用 Postgres 的指南:https://devcenter.heroku.com/articles/getting-started-with-django#django-settings
There's a guide to updating your settings.py to use Postgres here: https://devcenter.heroku.com/articles/getting-started-with-django#django-settings
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