Remove the container and start a new one after upgrade.

scripts/manager.sh

@@ -483,6 +483,7 @@ upgrade() {
         # 255 is -1, because Bash return codes are unsigned 8-bit integer, limited to the range 0 to 255. 
         -1|255)
             print_header "No changes detected. Skipping upgrade..."
+            return -1
             ;;
 
         0)
@@ -498,6 +499,14 @@ upgrade() {
             ;;
     esac
 
+    print_header "Upgraded the Docker image.
+
+We will stop & delete the current container and start a new one..."
+
+    stop
+    docker remove $CONTAINER_NAME
+    start
+
     print_header "Upgraded the Middleware Successfully!"
     return 0
 }