build_docker: image: gitlab.jonasled.de/jonasled/buildx-docker:latest stage: build services: - docker:dind tags: - docker before_script: - docker context create build - docker buildx create build --use - docker run --rm --privileged docker/binfmt:66f9012c56a8316f9244ffd7622d7c21c1f6f28d - docker login -u "$CI_REGISTRY_USER" -p "$CI_REGISTRY_PASSWORD" $CI_REGISTRY script: - | if [[ "$CI_COMMIT_BRANCH" == "$CI_DEFAULT_BRANCH" ]]; then tag="" echo "Running on default branch '$CI_DEFAULT_BRANCH': tag = 'latest'" else tag=":$CI_COMMIT_REF_SLUG" echo "Running on branch '$CI_COMMIT_BRANCH': tag = $tag" fi - docker buildx build --platform linux/amd64,linux/arm,linux/arm64 --push --tag "$CI_REGISTRY_IMAGE${tag}" . # Run this job in a branch where a Dockerfile exists rules: - if: $CI_COMMIT_BRANCH exists: - Dockerfile