nextcloud: Improve logging and enable brotli

nextcloud/nginx.conf

@@ -2,7 +2,8 @@ daemon off;
 user   nginx;
 worker_processes  auto;
 
-error_log  /var/log/nginx/error.log warn;
+error_log  stderr warn;
+error_log  /var/log/nginx/error.log notice;
 pid        /var/run/nginx/nginx.pid;
 
 events {
@@ -33,6 +34,19 @@ http {
         default "immutable";
     }
 
+    map $status $probe_status_logging {
+        ~^[23]\d{2}     0;                      # 2XX or 3XX indicates success Kubernetes HTTP probe
+        default         1;                      # Log failure probe requests
+    }
+    # Map to determine if the request should be logged
+    map $http_user_agent $probe_logging {
+        ~^kube-probe    $probe_status_logging;  # User-Agent matched, do further status check
+        default         1;
+    }
+
+    access_log /var/log/nginx/access.log    if=$probe_logging
+    access_log /dev/stdout                  if=$probe_logging
+
     server {
         listen 80 default_server;
         listen [::]:80 default_server;
@@ -64,6 +78,12 @@ http {
         gzip_min_length 256;
         gzip_proxied expired no-cache no-store private no_last_modified no_etag auth;
         gzip_types application/atom+xml text/javascript application/javascript application/json application/ld+json application/manifest+json application/rss+xml application/vnd.geo+json application/vnd.ms-fontobject application/wasm application/x-font-ttf application/x-web-app-manifest+json application/xhtml+xml application/xml font/opentype image/bmp image/svg+xml image/x-icon text/cache-manifest text/css text/plain text/vcard text/vnd.rim.location.xloc text/vtt text/x-component text/x-cross-domain-policy;
+        # Enable brotli
+        brotli on;
+        brotli_static on;
+        brotli_comp_level 4;
+        brotli_min_length 256;
+        brotli_types application/atom+xml text/javascript application/javascript application/json application/ld+json application/manifest+json application/rss+xml application/vnd.geo+json application/vnd.ms-fontobject application/wasm application/x-font-ttf application/x-web-app-manifest+json application/xhtml+xml application/xml font/opentype image/bmp image/svg+xml image/x-icon text/cache-manifest text/css text/plain text/vcard text/vnd.rim.location.xloc text/vtt text/x-component text/x-cross-domain-policy;
 
         # Pagespeed is not supported by Nextcloud, so if your server is built
         # with the `ngx_pagespeed` module, uncomment this line to disable it.