fix multi-file downloads, see https://github.com/nextcloud/server/issues/42617#issuecomment-1881958718

abra.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 
 export FPM_TUNE_VERSION=v5
-export NGINX_CONF_VERSION=v6
+export NGINX_CONF_VERSION=v7
 export MY_CNF_VERSION=v5
 export ENTRYPOINT_VERSION=v3
 export CRONTAB_VERSION=v1

nginx.conf.tmpl

@@ -136,6 +136,9 @@ http {
         # then Nginx will encounter an infinite rewriting loop when it prepends `/index.php`
         # to the URI, resulting in a HTTP 500 error response.
         location ~ \.php(?:$|/) {
+            # Required for legacy support
+            rewrite ^/(?!index|remote|public|cron|core\/ajax\/update|status|ocs\/v[12]|updater\/.+|ocs-provider\/.+|.+\/richdocumentscode(_arm64)?\/proxy) /index.php$request_uri;
+
             fastcgi_split_path_info ^(.+?\.php)(/.*)$;
             set $path_info $fastcgi_path_info;