.gitlab-ci.yml

variables:
  DOCKER_VERSION: "stable"
  DOCKER_DIND_VERSION: "18.09-dind"
  DOCKER_CONFIG_FILE: "--config .docker"

push-docker:
  stage: build
  image: 10.55.59.13:8086/docker:${DOCKER_VERSION}
  services:
    - name: 10.55.59.13:8086/docker:${DOCKER_DIND_VERSION}
      entrypoint: ["dockerd-entrypoint.sh"]
      command: [
        "--insecure-registry=10.55.59.13:8087",
        "--insecure-registry=10.55.59.13:8086"
      ]
      alias: dockerd
  variables:
      DOCKER_HOST: tcp://dockerd:2375
      DOCKER_DRIVER: overlay2
      DOCKER_TLS_CERTDIR: ""
      DOCKER_BUILD_ARGS_ENTRIPOINT: ""
      DOCKERFILE_LOCATION: "-f Dockerfile"
      DOCKER_TAGS: 
        10.55.59.13:8087/test/test-image
      DOCKER_CONTEXT_PATH: "."
  before_script:
    - mkdir -p .docker/ && cat $DOCKER_CONF_JSON > .docker/config.json
  script:
    - docker build -q $DOCKERFILE_LOCATION $DOCKER_BUILD_ARGS_ENTRIPOINT -t 10.55.59.13:8087/test/test-image:latest $DOCKER_CONTEXT_PATH
    - docker --config .docker image push 10.55.59.13:8087/test/test-image:latest

gistfile1.txt

{
        "auths": {
                "10.55.59.13:8087": {
                        "auth": "YWRtaW46bnV0YW5peC80dQ=="
                }, "10.55.59.13:8086": {
                        "auth": "YWRtaW46bnV0YW5peC80dQ=="
                }
                 
        }
}