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							.. _settings server:
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							===========
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							``server:``
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							===========
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							.. code:: yaml
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							   server:
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							       base_url: http://example.org/location  # change this!
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							       port: 8888
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							       bind_address: "127.0.0.1"
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							       secret_key: "ultrasecretkey"           # change this!
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							       limiter: false
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							       public_instance: false
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							       image_proxy: false
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							       default_http_headers:
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							         X-Content-Type-Options : nosniff
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							         X-Download-Options : noopen
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							         X-Robots-Tag : noindex, nofollow
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							         Referrer-Policy : no-referrer
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							``base_url`` : ``$SEARXNG_URL``
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							  The base URL where SearXNG is deployed.  Used to create correct inbound links.
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							``port`` & ``bind_address``: ``$SEARXNG_PORT`` & ``$SEARXNG_BIND_ADDRESS``
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							  Port number and *bind address* of the SearXNG web application if you run it
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							  directly using ``python searx/webapp.py``.  Doesn't apply to a SearXNG
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							  services running behind a proxy and using socket communications.
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							``secret_key`` : ``$SEARXNG_SECRET``
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							  Used for cryptography purpose.
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							``limiter`` :  ``$SEARXNG_LIMITER``
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							  Rate limit the number of request on the instance, block some bots.  The
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							  :ref:`limiter` requires a :ref:`settings redis` database.
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							.. _public_instance:
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							``public_instance`` :  ``$SEARXNG_PUBLIC_INSTANCE``
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							  Setting that allows to enable features specifically for public instances (not
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							  needed for local usage).  By set to ``true`` the following features are
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							  activated:
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							  - :py:obj:`searx.botdetection.link_token` in the :ref:`limiter`
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							.. _image_proxy:
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							``image_proxy`` : ``$SEARXNG_IMAGE_PROXY``
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							  Allow your instance of SearXNG of being able to proxy images.  Uses memory space.
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							.. _HTTP headers: https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers
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							``default_http_headers`` :
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							  Set additional HTTP headers, see `#755 <https://github.com/searx/searx/issues/715>`__
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