Add cases/ci travis

Signed-off-by: khs1994 <khs1994@khs1994.com>

cases/ci/demo/travis/.travis.yml

@@ -0,0 +1,16 @@
+language: bash
+
+dist: xenial
+
+services:
+  - docker
+
+before_script:
+  - echo "$DOCKER_PASSWORD" | docker login -u "$DOCKER_USERNAME" --password-stdin
+
+script:
+  - echo "test code"
+
+after_success:
+  - docker build -t username/alpine .
+  - docker push username/alpine

cases/ci/demo/travis/Dockerfile

@@ -0,0 +1,3 @@
+FROM alpine
+
+RUN echo "Hello World"