added locust description

README.md

@@ -96,3 +96,17 @@ Sign up with adminer with this config.:
   You should see this dashboard (the read square depicts the place you browse metrics for particular microservice):
   
   ![](images/GrafanaDashboard.png)
+
+ ## Locust stress testing:
+
+  Python script for stress testing the system using locust library is in the locustScript folder.
+  The script (locustfile.py) is written to show the performance of the electricity price microservice.
+  Add a Python interpreter in IntelliJ IDEA and install package locust (or with the command pip3 install locust).
+  You can stress test yourself (port 8090), from the locustScript folder in the terminal, with the command:
+
+    locust
+
+  The stress testing report is in the folder reports.
+  After starting the test, the process should look like this:
+
+  ![](images/locustTesting.png)