Merge branch '308-constaint-in-install' into 'django'

The 2 constraints identified placed in the README file.

Closes #308

See merge request !166

README.md

@@ -62,6 +62,11 @@ Each container may contain a set of scripts for admin purpose (especially for ma
   - `/dk/image_upgrade` apply security upgrades to the image. This command is expected to exit with 0 if successful and to output something on stdout/stderr when something was upgraded an nothing if nothing was upgraded (thus if the output is empty, it is not necessary to commit a new image). 
 
 
+Constraints
+-----------
+
+* The deployment repository has to be named *allgo*, because docker-compose names its network with <dir_name> prefix, and we used this network name in some parts.
+
 
 Development environment
 -----------------------