barrel: Increase max upload size to 250 MB

This commit increases the maximal php upload size to 250 MB (from the
default of 2).

distillery/resources/compose/web/docker-compose.yml

@@ -10,6 +10,7 @@ services:
       - "443:443"
     volumes:
       - "vhost:/etc/nginx/vhost.d"
+      - "./global.conf:/etc/nginx/conf.d/global.conf:ro"
       - "htpasswd:/etc/nginx/htpasswd"
       - "html:/usr/share/nginx/html"
       - "/var/run/docker.sock:/tmp/docker.sock:ro"

distillery/resources/compose/web/global.conf

@@ -0,0 +1,3 @@
+# update the max body size to fit with php's configuration. 
+# should be kept in sync with distillery/resources/compose/barrel/conf/wisski.ini. 
+client_max_body_size 250m;