Multiple Django projects using the same database

Hi everyone,

I'm hoping to confirm my understanding on how to deploy multiple Django websites using the same database, using postgres and gunicorn/nginx. 

Doing this seems to me as simple as:

1. Creating a copy of the Django project in its own directory, with its own settings.py etc.

2. Keep the same settings.DATABASES the same, i.e. pointing to the same postgres server.

3. Deploy the new site as if were a standalone site, e.g. separate /etc/nginx/sites-available/new-site-name.conf etc.

Of course doing the above wouldn't be very useful unless the two sites did something different. For instance, to have them by default work on different subsets of the data, I could use the Django sites framework, where the CurrentSiteManager restricts queries to data associated with the specific site baed on settings.SITE_ID. The two sites could still access all data using standard model managers, and there would be no problem having models associated with one site link to models from another site via related fields as normal, as long as the model's default manager could see all data.

Core Django tables like User and Permissions would be shared between the two sites, so if a user has access to one site, they will have access to the other site.

As for race conditions, there are no particular new issues raised by two sites sharing the same database, i.e. race conditions could happen but it's no different than with multiple requests on a single site.

Have I got all that right? Anything I'm missing? Is it really as simple as just having two Django sites point to the same database via settings.DATABASES?

Thanks,

Ien  

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