kanboard: Use json for access logs

Signed-off-by: Florian Pritz <bluewind@xinu.at>

roles/kanboard/templates/nginx.d.conf.j2

@@ -7,7 +7,7 @@ server {
     listen       [::]:80;
     server_name  {{ kanboard_domain }};
 
-    access_log   /var/log/nginx/{{ kanboard_domain }}/access.log reduced;
+    access_log   /var/log/nginx/{{ kanboard_domain }}/access.log json_reduced;
     error_log    /var/log/nginx/{{ kanboard_domain }}/error.log;
 
     include snippets/letsencrypt.conf;
@@ -23,7 +23,7 @@ server {
     listen       [::]:443 ssl http2;
     server_name  {{ kanboard_domain }};
 
-    access_log   /var/log/nginx/{{ kanboard_domain }}/access.log reduced;
+    access_log   /var/log/nginx/{{ kanboard_domain }}/access.log json_reduced;
     error_log    /var/log/nginx/{{ kanboard_domain }}/error.log;
 
     ssl_certificate      /etc/letsencrypt/live/{{ kanboard_domain }}/fullchain.pem;
@@ -39,7 +39,7 @@ server {
     }
 
     location ~ \.php$ {
-        access_log   /var/log/nginx/{{ kanboard_domain }}/access.log main;
+        access_log   /var/log/nginx/{{ kanboard_domain }}/access.log json_main;
         try_files $uri =404;
         fastcgi_split_path_info ^(.+\.php)(/.+)$;
         fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;