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Document the special %generate(secret)% env var value #37

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5 changes: 5 additions & 0 deletions README.rst
Original file line number Diff line number Diff line change
Expand Up @@ -201,6 +201,11 @@ The ``###> your-recipe-name-here ###`` section separators are needed by Symfony
to detect the contents added by this dependency in case you uninstall it later.
Don't remove or modify these separators.

.. tip::

Use ``%generate(secret)%`` as the value of any environment variable to
replace it with a cryptographically secure random value of 16 bytes.

``makefile`` Configurator
~~~~~~~~~~~~~~~~~~~~~~~~~

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