Update README.md

README.md

@@ -5,14 +5,28 @@ Official Archlinux image on Online Labs
 
 Scripts to build the official Archlinux image on Online Labs
 
+This image is built using [Image Tools](https://github.com/online-labs/image-tools) and is based on the official [Ubuntu](https://github.com/online-labs/image-ubuntu) image.
+
 ---
 
-Related projects
+**This image is meant to be used on a C1 server.**
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-- https://github.com/online-labs/image-tools (Main project for building images on Online Labs)
+We use the Docker's building system and convert it at the end to a disk image that will boot on real servers without Docker. Note that the image is still runnable as a Docker container for debug or for inheritance.
-- https://github.com/online-labs/image-builder (Old repository with full history)
+
-- https://github.com/online-labs/ocs-scripts (Common scripts for distributions)
+[More info](https://github.com/online-labs/image-tools#docker-based-builder)
+
+---
+
+Install
+-------
+
+Build and write the image to /dev/nbd1 (see [documentation](https://doc.cloud.online.net/howto/create_image.html))
+
+    $ make install
+
+Full list of commands available at: [online-labs/image-tools](https://github.com/online-labs/image-tools/tree/master#commands)
+
+---
 
 links
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