Fix status log counting by using dedicated access log file

Author: Robbie1977

README.md

@@ -78,7 +78,7 @@ Example response:
 }
 ```
 
-`/status` is refreshed by a background monitor that reads the access log for cache totals and samples NGINX `stub_status` for connection counters.
+`/status` is refreshed by a background monitor that reads `/var/log/nginx/cache-access.log` for cache totals and samples NGINX `stub_status` for connection counters.
 
 **Health Monitoring**: A background process logs warnings when the upstream server becomes unreachable, but the container continues running to serve cached content.
 

health-monitor.sh

@@ -3,7 +3,7 @@
 # Poll NGINX and the access log to keep /status current while also logging
 # upstream reachability changes.
 
-ACCESS_LOG=${ACCESS_LOG:-/var/log/nginx/access.log}
+ACCESS_LOG=${ACCESS_LOG:-/var/log/nginx/cache-access.log}
 STATUS_FILE=${STATUS_FILE:-/var/run/nginx/status.json}
 NGINX_STATUS_URL=${NGINX_STATUS_URL:-http://127.0.0.1:8080/__nginx_status}
 STATUS_POLL_INTERVAL=${STATUS_POLL_INTERVAL:-5}

nginx.conf.template

@@ -17,7 +17,7 @@ http {
                         '$upstream_cache_status $request_time $upstream_response_time';
 
     access_log /dev/stdout cache;
-    access_log /var/log/nginx/access.log cache;
+    access_log /var/log/nginx/cache-access.log cache;
     error_log /dev/stderr warn;
 
     proxy_cache_path /var/cache/nginx/owlery levels=1:2 keys_zone=owlery_cache:100m max_size=${CACHE_MAX_SIZE} inactive=5y use_temp_path=off;