bootstrap_schema: kill port-forwarding after schema is updated
diff --git a/dev/bootstrap_schema.sh b/dev/bootstrap_schema.sh
index 095669e..5fb5b75 100644
--- a/dev/bootstrap_schema.sh
+++ b/dev/bootstrap_schema.sh
@@ -1,5 +1,7 @@
 #!/bin/bash
 
 kubectl -n dgraph port-forward svc/dgraph-alpha 8081:8080 &
+PORT_FORWARD_PID=$!
 sleep 1
 curl -X POST http://localhost:8081/admin/schema -d 'enum EventState { NEW PROCESSING DONE } type Ignore { x: Int }'
+kill -9 $PORT_FORWARD_PID