Align README info to the latest develop

README.rst

@@ -1,19 +1,16 @@
 Docker-node-red
 ===================
 
-A docker file for node-red istance with mongodb storage support and capability to fetch additional module by ENV var.
+A docker image to deploy node-red istance.
 
+The following env vars are used to configure the images:
+  - PORT: the admin interface port, default 5000 (to support dokku seamless integration)
+  - AUTH_METHOD: for now only default 'passwd' based auth is supported
+    - if passwd method is choice the 'admin' password is generated and display in container log
+  - NODES_URL_FILE: a file url to configure additional nodes from npm
 
-Features:
-
-  - default admin user `root`
-  - admin password generate at build time (see log to retrieve it)
-  - pre-installed mongodb storage
-  - Installation of additional node-red module from http://flows.nodered.org/.
-
-Configure module vars
-^^^^^^^^^^^^^^^^^^^^^^
-
-The NODERED_MODULES env var can be used to install additional module at runtime, ex::
-  
-  docker run  --env NODERED_MODULES="node-red-contrib-deduplicate" <id>
+TODO
+----
+  [ ] add http external auth method
+  [ ] implement flows backup/restore
+  [ ] allow template/css personalization