fix: nginx log and smtp setting

build/docker/nginx/conf/default/nginx.conf

@@ -7,6 +7,13 @@ events {
 http {
     include       mime.types;
     default_type  application/octet-stream;
+
+    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
+                      '$status $body_bytes_sent "$http_referer" '
+                      '"$http_user_agent" "$http_x_forwarded_for"';
+
+    access_log  /var/log/nginx/access.log  main;
+    
     sendfile        on;
     keepalive_timeout  65;