searxng/utils/templates/etc/nginx/default.apps-available/searxng.conf:filtron

# https://example.org/searx

location ${SEARXNG_URL_PATH} {
    proxy_pass         http://127.0.0.1:4004/;

    proxy_set_header   Host             \$host;
    proxy_set_header   Connection       \$http_connection;
    proxy_set_header   X-Real-IP        \$remote_addr;
    proxy_set_header   X-Forwarded-For  \$proxy_add_x_forwarded_for;
    proxy_set_header   X-Scheme         \$scheme;
    proxy_set_header   X-Script-Name    ${SEARXNG_URL_PATH};
}

location ${SEARXNG_URL_PATH}/static/ {
    alias ${SEARX_SRC}/searx/static/;
}