fix

Dockerfile

@@ -8,7 +8,7 @@ RUN \
   chown -R nobody:nobody /var/cache/nginx /var/log/nginx && \
   sed -i 's/listen\s\+80;/listen 8080;/' /etc/nginx/conf.d/default.conf && \
   sed -i 's/index  index.html index.htm;/index   mdwiki.html;/' /etc/nginx/conf.d/default.conf && \
-  sed -i 's,pid\s\+/var/run/nginx.pid;,pid /tmp/nginx.pid;,' /etc/nginx/nginx.conf
+  sed -i 's,pid\s\+/run/nginx.pid;,pid /tmp/nginx.pid;,' /etc/nginx/nginx.conf
 USER nobody
 # ------------
 EXPOSE 8080