gitlab ci deploy rancher k8s example (annotations) [NOT RECOMMED - CAN NOT ROLLBACK]

.gitlab-ci.yml

image: docker:latest

services:
  - docker:dind

stages:
  - build
  - deploy

variables:
  DOCKER_DRIVER: overlay
  IMAGE_TAG: $CI_REGISTRY_IMAGE:master
  DEPLOYMENT_NAME: app

build:
  stage: build
  only:
    - master
  script:
    - docker build -f Dockerfile.prod -t $IMAGE_TAG .
    - docker login -u gitlab-ci-token -p $CI_JOB_TOKEN $CI_REGISTRY
    - docker push $IMAGE_TAG

deploy_production:
  stage: deploy
  image: devfelipereis/rancher-cli-k8s:latest
  environment:
    name: production
    url: http://example.xip.io/
  when: manual
  only:
    - master
  script:
    - rancher login $RANCHER_SERVER_URL --token $RANCHER_API_TOKEN --context $RANCHER_PROJECT_ID
    - rancher kubectl --namespace=$RANCHER_PROJECT_NAMESPACE patch deployment $DEPLOYMENT_NAME --type=strategic
      -p '{"spec":{"template":{"metadata":{"annotations":{"app.ci.commitsha":"'${CI_COMMIT_SHA:0:8}'"}}}}}'