diff --git a/.gitignore b/.gitignore
index 2309cc8..de4b627 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,6 +11,11 @@ lerna-debug.log*
 # Diagnostic reports (https://nodejs.org/api/report.html)
 report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
 
+# captain definition files and docker files and compiled tar files
+*.tar
+captain-definition
+Dockerfile
+
 # Runtime data
 pids
 *.pid