Update READMEs

LLI_README.md

@@ -7,21 +7,42 @@ We use Git Submodules to manage additional repositories involved in our NextClou
 - Our app, `cdsp`
 - Several apps from the NextCloud ecosystem
 
-# Instruction Manual
-
 To clone this repo, run:
 
 ```bash
 git clone --recurse-submodules <repo url>
 ```
 
-Clone this repo in the same directory as the `lli-infra` repo to allow the scripts in that repo to function properly.
+Clone this repo in the same directory as the `lli-infra` repo to allow the scripts in that repo to function properly:
 
-For example:
 ```
-lli/
+/
     lli-infra/
     server/
 ```
 
+# LLI Container
+
+The `.lli` directory contains build configuration for a NextCloud container which uses Nginx as a webserver and PHP Fast Process Manager (FPM) as the PHP executor upstream.
+
+The filesystem layout is:
+
+```
+/ncloud
+  /server              NextCloud server and plugins.
+  /data                Mounted storage volume.
+  /php-fpm.sock        Socket file for FPM (Nginx upstream target).
+/etc/php/<version>/fpm
+  /php-fpm.conf        Global FPM configuration.
+  /pool.d/www.conf     FPM pool configuration.
+/etc/nginx/nginx.conf  Nginx config.
+```
+
+Run the following in __Bash__ to build the container:
+
+```bash
+cd .lli
+./build.sh <desired tag>
+```
+
 *Document incomplete*