diff --git a/.drone.yml b/.drone.yml
index 9366381..867243a 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -21,6 +21,7 @@ steps:
         from_secret: MYSQL_USER       
       CODEFIRST_CLIENTDRONE_ENV_MYSQL_PASSWORD:          
         from_secret: MYSQL_PASSWORD
+      EXPOSE 3306
 
 
 # docker image build (at least I'm trying)