about info

README.md

@@ -1,18 +1,14 @@
 # Live Chat Engine
 
-<!---
-The engine for live chats with customers
--->
-
 Open source system for live chats with visitors (customers) in any site.
 Contains server-side (chats storing, users and billing management), operators cabinet for chatting and chat form for site's visitors.
 
 *Chat Form on a site:*
-![Operators Cabinet](https://raw.githubusercontent.com/edolganov/live-chat-engine/master/extra/images/live-chat-client.png "Chat Form")
+![Operators Cabinet](https://raw.githubusercontent.com/edolganov/live-chat-engine/master/extra/images/live-chat-client.png)
 
 
 *Operators Cabinet:*
-![Operators Cabinet](https://raw.githubusercontent.com/edolganov/live-chat-engine/master/extra/images/live-chat-cabinet.png "Operators Cabinet")
+![Operators Cabinet](https://raw.githubusercontent.com/edolganov/live-chat-engine/master/extra/images/live-chat-cabinet.png)
 
 ## Two work modes 
 ### Software as a Service
@@ -28,3 +24,35 @@ Other popular examples: [olark](https://www.olark.com/), [livezilla](https://www.
 In Tool Mode admin creates accounts, user can be only a operator, no monthly bills. You can use Tool Mode for live chats for single site with own hosting for example.
 
 **Tool mode is not completed yet! Implementation is in progress...**
+
+## Requirements
+- Java 8
+- PostgreSQL or default H2DB (included to the build)
+- Windows (tested on Win7) / Linux (tested on Ubuntu)
+
+## How to build
+- download last version
+- check Java version (print "java -version" in a console)
+- start **build.bat** (win) or **build.sh** (linux)
+- on BUILD SUCCESSFUL message see **/build/_servers** dir
+- copy all files from **/build/_servers** to your work dir
+- run components by **run-all.bat** or **run-all.sh**
+
+## Engine components
+
+### database-h2-server
+Included database server by default. Use for tests. For production use PostgreSQL.
+
+### chat-central-server
+Server for caches and synchronization.
+
+### chat-front-server
+Web server for site and operators online cabinet. 
+
+### chat-node-server
+Storage for chats accounts.
+
+## Demployment
+### Simple deployment scheme
+Only one instance of front and node servers:
+![Simple deployment scheme](https://raw.githubusercontent.com/edolganov/live-chat-engine/master/extra/images/deploy-scheme-simple.png)