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[Symfony CLI] Document about APP_ENV=test behavior #15228

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[Symfony CLI] Document about APP_ENV=test behavior #15228

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16 changes: 16 additions & 0 deletions setup/symfony_server.rst
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Expand Up @@ -322,6 +322,22 @@ prefixed with ``DB_``, but as the ``com.symfony.server.service-prefix`` is set
to ``DATABASE``, the web server creates environment variables starting with
``DATABASE_`` instead as expected by the default Symfony configuration.

You don't need to create two containers for a main database and a test database.
Using `APP_ENV=test symfony` will automatically adjust `DATABASE_*` environment variables
for a test environment.

.. code-block:: terminal

$ symfony var:export --multiline
export DATABASE_DATABASE=app
export DATABASE_NAME=app
export DATABASE_URL=postgres://app:app@127.0.0.1:49160/app?sslmode=disable&charset=utf8

$ APP_ENV=test symfony var:export --multiline
export DATABASE_DATABASE=app_test
export DATABASE_NAME=app_test
export DATABASE_URL=postgres://app:app@127.0.0.1:49160/app_test?sslmode=disable&charset=utf8

Here is the list of supported services with their ports and default Symfony
prefixes:

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