Add .gitlab-ci

.gitlab-ci.yml

+stages:
+  - build
+  - package
+  - deploy
+
+maven-build:
+  image: harbor.k2software.cn/build/maven:3-jdk-8-alpine
+  stage: build
+  script: "mvn package -B -s ./settings.xml -Dmaven.repo.local=/root/.m2"
+  artifacts:
+    paths:
+      - target/*.jar
+
+docker-build:
+  stage: package
+  script:
+  - docker build -t harbor.poc.paas.com/library/springboot-k8s-example:$CI_COMMIT_REF_SLUG .
+  - docker login -u admin -p K2pass!! harbor.poc.paas.com
+  - docker push harbor.poc.paas.com/library/springboot-k8s-example:$CI_COMMIT_REF_SLUG
+
+k8s-deploy:
+  image: harbor.k2software.cn/build/helm:v3.2.2
+  stage: deploy
+  script:
+  - sed -i "s/lusyoe\\/k8s-example/harbor.poc.paas.com\\/library\\/springboot-k8s-example:$CI_COMMIT_REF_SLUG/g" charts/values.yaml
+  - helm upgrade --install k8s-example --namespace default ./charts/