diff --git a/README.md b/README.md
index e24c718..f2968a4 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,5 @@
 # TradeIT!
+
 ## Server less microtrading platform
 
 Allow your friends and users to trade with popular items, anytime,
@@ -18,9 +19,18 @@ User can check existing offers in orderbook by typing `sell win` or
 There is no intention to have any user management, inventory or account, 
 all is just harmless fun, almost as a game.
 
+## Technical setup
+
 For deployment, I recommend to use [LambdaDeploy](https://github.com/taylorking/LambdaDeploy) project.
 
 To create Slack integration (API + slash command) I recommend to follow
 [this article](https://medium.com/@pixelcodeuk/create-a-slack-slash-command-with-aws-lambda-83fb172f9a74#.rzjjx3g22).
 
+File [database_setup.sql](./MySQLdb/database_setup.sql) contains basic setup of MySQL table,
+including products (Warcraft 2 theme). Application currently supports only
+BUY and SELL order types.
+
+Environmental variables `TRDIT_DB_URL`, `TRDIT_DB_NAME`, `TRDIT_DB_USER`
+and `TRDIT_DB_PASSWORD` are required for proper connection to database.
+
 Have fun!
diff --git a/sqlBase.js b/sqlBase.js
index 025e762..3f894ba 100644
--- a/sqlBase.js
+++ b/sqlBase.js
@@ -3,10 +3,10 @@ var mysql = require('mysql');
 function connectionStart()
 {
         var connection = mysql.createConnection({
-        host     : 'zu697-microexchange.c4ghekdkimzt.eu-central-1.rds.amazonaws.com',
-        database : 'microexchange',
-        user     : 'mastertrader',
-        password : 'micropassword',
+        host     : process.env.TRDIT_DB_URL,
+        database : process.env.TRDIT_DB_NAME,
+        user     : process.env.TRDIT_DB_USER,
+        password : process.env.TRDIT_DB_PASSWORD,
         });
         return connection;
 }
diff --git a/test_events/event_unique.json b/test_events/event_unique.json
index cbe0065..efe2612 100644
--- a/test_events/event_unique.json
+++ b/test_events/event_unique.json
@@ -1,3 +1,3 @@
 {
-  "text"   : "sell fb 56"
+  "text"   : "help"
 }
\ No newline at end of file