.gitlab-ci.yml

image: docker:latest

variables:
    REGISTRY: $CI_REGISTRY
    PROJECT_PATH: none
    DOCKER_DRIVER: overlay2
    # SELECT ONE OF INTERNAL,EXTERNAL
    CI_DEPLOY_NETWORK: EXTERNAL
    CI_DEPLOY_TAG: none
    # SELECT ONE OF public,private
    CI_PUBLISH: public
    # hotfix for https://gitlab.com/gitlab-org/gitlab-ce/issues/64959
    DOCKER_TLS_CERTDIR: ""

stages:
    - build

build:
    before_script:
        - docker login -u "$CI_REGISTRY_USER" -p "$CI_REGISTRY_PASSWORD" $CI_REGISTRY
    services:
        - name: docker:dind
          command: ["--experimental"]
    stage: build
    script:
        - apk update && apk add git
        - git describe --long --dirty --always > hash.file
        - PROJECT_PATH=$(echo $CI_PROJECT_PATH | tr '[:upper:]' '[:lower:]')
        - CONTAINER_IMAGE=$REGISTRY/$PROJECT_PATH
        - docker pull $CONTAINER_IMAGE:latest || true
        # - docker build --squash --cache-from $CONTAINER_IMAGE:latest --tag $CONTAINER_IMAGE:$CI_COMMIT_REF_SLUG --tag $CONTAINER_IMAGE:latest .
        - docker build --cache-from $CONTAINER_IMAGE:latest --tag $CONTAINER_IMAGE:$CI_COMMIT_REF_SLUG --tag $CONTAINER_IMAGE:latest --tag $CONTAINER_IMAGE:$CI_COMMIT_SHORT_SHA .
          #    - docker build --squash --cache-from $CONTAINER_IMAGE:latest --tag $CONTAINER_IMAGE:git_$CI_COMMIT_SHORT_SHA .
        - docker push $CONTAINER_IMAGE:$CI_COMMIT_REF_SLUG
        - docker push $CONTAINER_IMAGE:$CI_COMMIT_SHORT_SHA
        - docker push $CONTAINER_IMAGE:latest
    tags:
        - docker