apache: revert some changes to nextcloud.conf

Signed-off-by: Simon L. <szaimen@e.mail.de>

Containers/apache/nextcloud.conf

@@ -9,34 +9,6 @@ Listen 8000
     ErrorLogFormat "[%t] [%l] [%E] [client: %{X-Forwarded-For}i] [%M] [%{User-Agent}i]"
     LogLevel ${AIO_LOG_LEVEL}
 
-    # KeepAlive On: allow the same TCP connection to carry multiple HTTP requests.
-    # Without this each asset (JS, CSS, image) would require a full TCP handshake,
-    # which is especially expensive on TLS connections and noticeably slows down
-    # Nextcloud's login page and file manager that load dozens of resources at once.
-    KeepAlive On
-    # KeepAliveTimeout: close an idle keep-alive connection after 5 seconds.
-    # A short timeout frees Apache worker threads quickly so they are available
-    # for new requests; 5 s is long enough to cover the gap between requests
-    # that a browser issues while rendering a page (typically < 1 s), yet short
-    # enough to avoid holding threads open for idle or slow clients.
-    KeepAliveTimeout 5
-    # MaxKeepAliveRequests: allow at most 500 requests per persistent connection.
-    # 100 (the Apache default) is too low for Nextcloud: the desktop and mobile
-    # sync clients issue many small API calls (PROPFIND, GET, PUT, checksums …)
-    # per sync cycle and routinely exceed 100 requests on a single connection.
-    # Hitting the limit forces a new TCP/TLS handshake, adding latency and CPU
-    # overhead. 500 gives sync clients enough headroom while still periodically
-    # recycling threads to contain per-process memory growth.
-    MaxKeepAliveRequests 500
-
-    # sendfile(2) is disabled because it bypasses Apache's output-filter chain: with
-    # it enabled, mod_brotli is silently skipped for static files (JS, CSS, SVG),
-    # negating the compression configured below.  MMAP is also
-    # disabled because files can be replaced by Nextcloud at any time and mmap'd
-    # pages could serve stale data.
-    EnableSendfile Off
-    EnableMMAP Off
-
     # PHP match
     <FilesMatch "\.php$">
         SetHandler "proxy:fcgi://${NEXTCLOUD_HOST}:9000"
@@ -45,17 +17,12 @@ Listen 8000
     <Proxy "fcgi://${NEXTCLOUD_HOST}:9000" flushpackets=on>
     </Proxy>
 
-    # Compress JS, CSS and SVG responses with Brotli (quality 4 gives good
-    # compression with reasonable CPU cost; the default of 0 barely compresses).
+    # Compress JS, CSS and SVG responses with Brotli.
     # Other plain-text files are already compressed by Nextcloud itself.
-    # No deflate fallback is needed: every browser that Nextcloud supports
-    # (Chrome 49+, Firefox 44+, Safari 11+, Edge 15+ — all from 2016-2017)
-    # supports Brotli. Internet Explorer, the only browser that never gained
-    # Brotli support, was dropped by Nextcloud with NC15 (2019).
     # Desktop and mobile sync clients never request JS/CSS/SVG assets.
     <IfModule mod_brotli.c>
         AddOutputFilterByType BROTLI_COMPRESS text/javascript application/javascript application/x-javascript text/css image/svg+xml
-        BrotliCompressionQuality 4
+        BrotliCompressionQuality 0
     </IfModule>
 
     # Nextcloud dir