version: 2
jobs:
  build:
    docker:
      - image: docker:latest
    environment:
      - di: "nfpis/nfpis"
      - dtag: "latest"
    working_directory: ~/nfpis
    steps:
      - run:
          name: Update and install SSH & Git
          command: apk update && apk upgrade && apk add --no-cache bash git openssh
      - checkout
      - setup_remote_docker
      - run:
          name: Build docker image
          command: docker build -t ${di}:build_${CIRCLE_BUILD_NUM} -t ${di}:${CIRCLE_SHA1} -t ${di}:${dtag} .
      - run:
          name: Push to docker
          command: |
            docker login -u $DOCKER_USER -p $DOCKER_PASS
            docker push ${di}
  deploy:
    docker:
      - image: docker:latest
    environment:
      - di: "nfpis/nfpis"
      - dtag: "latest"
      - service_name: "nfpis"
      - target_port: "7021" # The public target port on the docker host
      - service_port: "3000" # The exposed port on the docker
    working_directory: ~/nfpis
    steps:
      - run:
          name: Update and install SSH & Git
          command: apk update && apk upgrade && apk add --no-cache bash openssh
      - deploy:
          name: Deploy to production
          command: |
            if [ "${CIRCLE_BRANCH}" != "master" ]; then
              echo Not running on master. Exiting.
              exit 0
            fi
            mkdir ~/.ssh/
            echo "$MASTER_HOST" | base64 -d > ~/.ssh/master_host
            echo "$MASTER_KEY" | base64 -d > ~/.ssh/master_key
            chmod 600 ~/.ssh/master_key
            ssh -p 51120 -i ~/.ssh/master_key -o "UserKnownHostsFile ~/.ssh/master_host" root@82.221.107.21 "docker ${service_name} ${di}:${dtag} ${target_port} ${service_port}"

workflows:
  version: 2
  build_deploy:
    jobs:
      - build:
          context: org-global
          filters:
            branches:
              only: master
      - deploy:
          context: org-global
          requires:
            - build
          filters:
            branches:
              only: master