version: 2
jobs:
  build:
    docker:
      - image: docker
    working_directory: ~/socks5-server
    steps:
      - setup_remote_docker
      - run:
          name: Install Docker client
          command: |
            set -x
            VER="17.03.0-ce"
            curl -L -o /tmp/docker-$VER.tgz https://get.docker.com/builds/Linux/x86_64/docker-$VER.tgz
            tar -xz -C /tmp -f /tmp/docker-$VER.tgz
            mv /tmp/docker/* /usr/bin
      - run: |
          name: Build Docker image
          docker build -t serjs/go-socks5-proxy .
      - deploy:
          command: |
            docker login -u $DOCKERHUB_USER -p $DOCKERHUB_PASSWORD
            if [ $CIRCLE_TAG -ne "undefined" ]; then
              docker tag serjs/go-socks5-proxy serjs/go-socks5-proxy:$CIRCLE_TAG
              docker push serjs/go-socks5-proxy:$CIRCLE_TAG
            else
              docker tag serjs/go-socks5-proxy serjs/go-socks5-proxy:dev
              docker push serjs/go-socks5-proxy:dev
            fi