build and deploy with gitlab-ci

.gitlab-ci.yml

@@ -0,0 +1,35 @@
+image: docker:git
+services:
+- docker:dind
+
+stages:
+- build
+- test
+- release
+
+variables:
+  TEST_IMAGE: registry.gitlab.com/$CI_PROJECT_NAMESPACE/${CI_PROJECT_NAME}:$CI_BUILD_REF_NAME
+  RELEASE_IMAGE: registry.gitlab.com/$CI_PROJECT_NAMESPACE/${CI_PROJECT_NAME}:latest
+
+before_script:
+  - docker login -u gitlab-ci-token -p $CI_BUILD_TOKEN registry.gitlab.com
+
+build:
+  stage: build
+  script:
+    - docker build -t $TEST_IMAGE .
+    - docker push $TEST_IMAGE
+
+test:
+  stage: test
+  script:
+    - docker run $TEST_IMAGE
+
+release:
+  stage: release
+  script:
+    - docker pull $TEST_IMAGE
+    - docker tag $TEST_IMAGE $RELEASE_IMAGE
+    - docker push $RELEASE_IMAGE
+  only:
+    - master