Update planning docs

DESIGN.md

@@ -1,7 +1,26 @@
 # design
 
+## inputs
+
+What things the user will be giving us from the application repository side of
+things and therefore what we'll need to pipe into the provisioning and
+deployment process.
+
+1. env vars to be `dokku_config` loaded
+1. persistence layer docker volume mounts
+1. application layer http port to be mapped on host layer
+1. nginx.conf.d customations
+
 ## post-extract
 
 1. Create a /var/lib/dokku/data/ansible/\$APP folder
 1. Copy over nginx.conf.d folder
 1. Copy over vault folder and and env.yml file
+
+## pre-deploy
+
+TODO.
+
+## post-deploy
+
+TODO.

README.md

@@ -2,7 +2,10 @@
 
 Deploy applications on Dokku using Ansible.
 
-Work In Progress, See [DESIGN.md](./DESIGN.md).
+It is a work in progress, please see the following planning documents:
+
+- [DESIGN.md](./DESIGN.md)
+- [dokku-packaging-format.md](https://git.autonomic.zone/autonomic-cooperative/organising/wiki/dokku-packaging-format)
 
 ## Requirements