use port 80 for metrics

compose.metrics.yml

@@ -5,6 +5,4 @@ services:
       - METRICS_ENABLED=true
     deploy:
       labels:
-        - "prometheus.io/scrape=true"
-        - "prometheus.io/port=9205"
-        - "prometheus.io/path=/metrics"
+        - "prometheus.io/scrape=true"

nginx.conf.tmpl

@@ -184,24 +184,16 @@ http {
         location / {
             try_files $uri $uri/ /index.php$request_uri;
         }
-    }
-
-    {{ if env "METRICS_ENABLED" }}
-    server {
-        listen 9205;
 
+        {{ if env "METRICS_ENABLED" }}
         location = /metrics {
             include fastcgi_params;
-            fastcgi_param SCRIPT_FILENAME /var/www/html/index.php;
+            fastcgi_param SCRIPT_FILENAME $document_root/index.php;
             fastcgi_param SCRIPT_NAME /index.php;
             fastcgi_param REQUEST_URI /metrics;
             fastcgi_param HTTP_HOST {{ env "DOMAIN" }};
             fastcgi_pass php-handler;
         }
-
-        location / {
-            return 404;
-        }
+        {{ end }}
     }
-    {{ end }}
 }