searxng/docs/admin/arch_public.dot
Gaspard d'Hautefeuille f798ddd492
[mod] migrate from Redis to Valkey (#4795)
This patch migrates from `redis==5.2.1` [1] to `valkey==6.1.0` [2].

The migration to valkey is necessary because the company behind Redis has decided
to abandon the open source license. After experiencing a drop in user numbers,
they now want to run it under a dual license again. But this move demonstrates
once again how unreliable the company is and how it treats open source
developers.

To review first, read the docs::

    $ make docs.live

Follow the instructions to remove redis:

- http://0.0.0.0:8000/admin/settings/settings_redis.html

Config and install a local valkey DB:

- http://0.0.0.0:8000/admin/settings/settings_valkey.html

[1] https://pypi.org/project/redis/
[2] https://pypi.org/project/valkey/

Co-authored-by: HLFH <gaspard@dhautefeuille.eu>
Co-authored-by: Markus Heiser <markus.heiser@darmarit.de>
2025-07-09 07:55:37 +02:00

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digraph G {
node [style=filled, shape=box, fillcolor="#ffffcc", fontname=Sans];
edge [fontname="Sans"];
browser [label="browser", shape=tab, fillcolor=aliceblue];
rp [label="reverse proxy"];
static [label="static files", shape=folder, href="url to configure static files", fillcolor=lightgray];
uwsgi [label="uwsgi", shape=parallelogram href="https://docs.searxng.org/utils/searxng.sh.html"]
valkey [label="valkey DB", shape=cylinder];
searxng1 [label="SearXNG #1", fontcolor=blue3];
searxng2 [label="SearXNG #2", fontcolor=blue3];
searxng3 [label="SearXNG #3", fontcolor=blue3];
searxng4 [label="SearXNG #4", fontcolor=blue3];
browser -> rp [label="HTTPS"]
subgraph cluster_searxng {
label = "SearXNG instance" fontname=Sans;
bgcolor="#fafafa";
{ rank=same; static rp };
rp -> static [label="optional: reverse proxy serves static files", fillcolor=slategray, fontcolor=slategray];
rp -> uwsgi [label="http:// (tcp) or unix:// (socket)"];
uwsgi -> searxng1 -> valkey;
uwsgi -> searxng2 -> valkey;
uwsgi -> searxng3 -> valkey;
uwsgi -> searxng4 -> valkey;
}
}