From d4440d7daf240e4ab0acc494ffaf947300e6803e Mon Sep 17 00:00:00 2001
From: Ce Gao <ce.gao@outlook.com>
Date: Mon, 1 May 2017 15:07:13 +0800
Subject: [PATCH] .travis.yml: Add a comment about docker

Signed-off-by: Ce Gao <ce.gao@outlook.com>
---
 .travis.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.travis.yml b/.travis.yml
index 991e8e3..aee66f2 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -14,5 +14,6 @@ script:
   - go install .
   - maintainer --help
 
+# Build and push the Docker image to Docker Hub if the build is in master branch.
 after_script: 
   - 'if [ "$TRAVIS_PULL_REQUEST" = "false" ]; then bash ./scripts/master-build-in-travis.sh; fi'