dj-database-url
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Document the `env` option to `dj_database_url.config`
dj_database_url.config
takes an env
option that allows for customising the env var used for the database URL away from the default of DATABASE_URL
:
https://github.com/jazzband/dj-database-url/blob/7906f3bf800105e6ab33bfbf44e6863fd178295a/dj_database_url/init.py#L65-L66
However, this option isn't documented in the README: https://github.com/jazzband/dj-database-url/blob/7906f3bf800105e6ab33bfbf44e6863fd178295a/README.rst#usage
Customising the env var is needed in the case of multiple DBs, where everything but the primary has to use something other than DATABASE_URL
.