diff --git a/README.md b/README.md
index 074083f..17bb6cb 100755
--- a/README.md
+++ b/README.md
@@ -49,7 +49,12 @@
 
 Build all artifacts by invoking maven in the parent directory:
 
-    mvn clean install or mvn clean install docker:build
+    mvn clean install
+
+Then build docker images:
+    
+    cd ccsdk-app-os
+    mvn -Pdocker docker:build
   
 ### Deployment steps - as an application docker container
 
@@ -70,4 +75,4 @@
 3. Configure the application by editing the files portal.properties, system.properties and dashboard.properties.
 4. Build a war file within the appropriate web application project ('mvn package').
 5. Deploy the war file to Tomcat.
-6. Sign up or Login the first time using credentials stored in the fn_user table at the "login_external.htm" page.
\ No newline at end of file
+6. Sign up or Login the first time using credentials stored in the fn_user table at the "login_external.htm" page.
diff --git a/ccsdk-app-os/.gitignore b/ccsdk-app-os/.gitignore
index 183f946..4a4c514 100644
--- a/ccsdk-app-os/.gitignore
+++ b/ccsdk-app-os/.gitignore
@@ -5,3 +5,4 @@
 /target/
 /catalina.base_IS_UNDEFINED/
 ccsdk-app-os.iml
+/overlays/