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	Cache busting has caused serious problems for users in the past, here are two examples: - https://github.com/searxng/searxng/issues/4419 - https://github.com/searxng/searxng/issues/4481 And it makes development and deployment significantly more complex because it binds the client side to the server side: - https://github.com/searxng/searxng/pull/4466 In the light of a decoupled development of the WEB clients from the server side: - https://github.com/searxng/searxng/pull/4988 is it appropriate to abandon this feature. In fact, it has been ineffective since #4436 anyway. However, the benefit has always been questionable, since at best only a few kB of data are saved (at least in the context of an image_proxy, the effect is below the detection limit). Ultimately, the client is responsible for caching. Related: https://github.com/searxng/searxng/issues?q=label%3A%22clear%20browser%20cache%22 Closes: https://github.com/searxng/searxng/pull/4466 Closes: https://github.com/searxng/searxng/issues/1326 Closes: https://github.com/searxng/searxng/issues/964 Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>
		
			
				
	
	
		
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.. _architecture:
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============
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Architecture
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============
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.. sidebar:: Further reading
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   - Reverse Proxy: :ref:`Apache <apache searxng site>` & :ref:`nginx <nginx
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     searxng site>`
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   - uWSGI: :ref:`searxng uwsgi`
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   - SearXNG: :ref:`installation basic`
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Herein you will find some hints and suggestions about typical architectures of
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SearXNG infrastructures.
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.. _architecture uWSGI:
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uWSGI Setup
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===========
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We start with a *reference* setup for public SearXNG instances which can be build
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up and maintained by the scripts from our :ref:`toolboxing`.
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.. _arch public:
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.. kernel-figure:: arch_public.dot
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   :alt: arch_public.dot
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   Reference architecture of a public SearXNG setup.
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The reference installation activates ``server.limiter`` and
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``server.image_proxy`` (:origin:`/etc/searxng/settings.yml
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<utils/templates/etc/searxng/settings.yml>`)
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.. literalinclude:: ../../utils/templates/etc/searxng/settings.yml
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   :language: yaml
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   :end-before: # preferences:
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