Create an image which can run k8s commands and push it to ECR

.gitlab-ci.yml

stages:
  - build

build_k8s:
  stage: build
  when: manual
  image:
    name: gcr.io/kaniko-project/executor:debug
    entrypoint: ["/busybox/sh"]
  script:
    - mkdir -p /kaniko/.docker
    - echo "{\"credsStore\":\"ecr-login\"}" > /kaniko/.docker/config.json
    - /kaniko/executor --context $CI_PROJECT_DIR/k8s/ --dockerfile $CI_PROJECT_DIR/k8s/Dockerfile --destination 123456789123.dkr.ecr.ap-south-1.amazonaws.com/k8s:latest