Enable access and error logging on all services

data/nginx.conf

@@ -12,6 +12,7 @@ events {
 http {
     include       mime.types;
     default_type  application/octet-stream;
+
     keepalive_timeout 65;
     keepalive_requests 100000;
 
@@ -26,7 +27,25 @@ http {
                         '$status $body_bytes_sent "$http_referer" '
                         '"$http_user_agent" "$http_x_forwarded_for"';
 
-    access_log  /var/log/nginx/access.log;
+    # JSON format — preferred for log aggregators (ELK, Loki, Datadog, etc.)
+    log_format  json_log escape=json
+        '{'
+            '"time":"$time_iso8601",'
+            '"remote_addr":"$remote_addr",'
+            '"method":"$request_method",'
+            '"uri":"$request_uri",'
+            '"status":$status,'
+            '"bytes_sent":$body_bytes_sent,'
+            '"request_time":$request_time,'
+            '"upstream_response_time":"$upstream_response_time",'
+            '"referer":"$http_referer",'
+            '"user_agent":"$http_user_agent",'
+            '"x_forwarded_for":"$http_x_forwarded_for",'
+            '"host":"$host"'
+        '}';
+
+
+    access_log  /var/log/nginx/access.log json_log;
     error_log   /var/log/nginx/error.log;
     
     sendfile on;