image: registry.gitlab.tictex.eu/docker/docker-with-buildx-git:latest

variables:
  DOCKER_HOST: tcp://docker:2375/
  DOCKER_DRIVER: overlay2
  DOCKER_TLS_CERTDIR: ""

services:
  - docker:dind

build:
  stage: build
  script:
  variables:
    IMAGE_TAG: $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG
  script:
    - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
    - docker buildx create --use --name mybuilder
    - docker buildx build --platform $BUILD_PLATFORMS --push -t $IMAGE_TAG .
    - docker pull $IMAGE_TAG
    - docker tag $IMAGE_TAG $CI_REGISTRY_IMAGE:latest
    - docker push $CI_REGISTRY_IMAGE:latest