Fix redirect

Dockerfile

@@ -49,8 +49,8 @@ RUN \
     rm -rf /var/lib/munin/cgi-tmp && \
     ln -s /munin/www/cache /var/lib/munin/cgi-tmp && \
     \
-    chgrp -R root /munin /var/run/munin /etc/munin/munin.conf /var/tmp/nginx /var/lib/nginx && \
-    chmod -R g+rw /munin /var/run/munin /etc/munin/munin.conf /var/tmp/nginx  && \
+    chgrp -R root /munin /etc/munin/munin.conf /var/tmp/nginx /var/lib/nginx && \
+    chmod -R g+rw /munin /etc/munin/munin.conf /var/tmp/nginx  && \
     for name in "/var/tmp/nginx /munin/"; do find $name -type d -print0 | xargs -0 chmod g+x; done
 
 EXPOSE 8080

munin.conf

@@ -1,5 +1,5 @@
 dbdir	        /munin/db
-rundir	        /var/run/munin
+rundir	        /tmp
 htmldir         /munin/www
 logdir          /munin/log
 

nginx-munin

@@ -24,6 +24,6 @@ server {
   }
 
   location / {
-      rewrite ^/$ /munin/ redirect; break;
+      rewrite ^/$ munin/ redirect; break;
   }
 }