ci: add .gitlab-ci.yml

.gitlab-ci.yml

@@ -0,0 +1,17 @@
+default:
+  image: docker:git
+
+stages:
+  - build
+
+build:
+  stage: build
+  variables:
+    IMAGE: $CI_REGISTRY_IMAGE
+    TAG: $CI_COMMIT_BRANCH-$CI_COMMIT_SHORT_SHA
+  before_script:
+    - echo $CI_REGISTRY_PASSWORD | docker login -u $CI_REGISTRY_USER --password-stdin $CI_REGISTRY
+    - docker info
+  script:
+    - docker build -t $IMAGE:$TAG .
+    - docker push $IMAGE:$TAG