docker-backuppc/.circleci/config.yml

# Configure CircleCI
version: 2
jobs:
  build:
    machine: true
    steps:
      - checkout
      - run: 
          command:
            docker build -t adferrand/backuppc .
      - run:
          command: |
            mkdir -p workspace
            docker save adferrand/backuppc > workspace/docker-backuppc.tar
      - persist_to_workspace:
          root: workspace
          paths:
            - docker-backuppc.tar
  deploy:
    machine: true
    steps:
      - attach_workspace:
          at: /tmp/workspace
      - run:
          command:
            echo 'if [ ${CIRCLE_BRANCH} = master ]; then DOCKER_TAG=latest else DOCKER_TAG=${CIRCLE_TAG:-${CIRCLE_BRANCH}} fi; export DOCKER_TAG' >> $BASH_ENV
      - run:
          command:
            docker load < /tmp/workspace/docker-backuppc.tar
      - deploy: 
          command: |
            if [ ${CIRCLE_BRANCH} = master ]; then DOCKER_TAG=latest else DOCKER_TAG=${CIRCLE_TAG:-${CIRCLE_BRANCH}} fi;
            echo ${DOCKER_TAG}
workflows:
  version: 2
  build-n-deploy:
    jobs:
      - build:
          filters:
            tags:
              only: ^[0-9.]+
      - deploy:
          requires: 
            - build
          filters:
            tags:
              only: ^[0-9.]+