diff --git a/README.md b/README.md
index ae7adc2..8f43eef 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,8 @@
 # hackathon
 
+In order to launch any task (Maven compile, clean install ...) be sure to launch the Docker compose in the root directory with :
 
+docker compose up
 
 ## Getting started