config.yml

cachekey_rust: &cachekey_rust
  rust-cache-v1-{{ checksum "Cargo.lock" }}

version: 2
jobs:
  build_backend:
    docker:
      - image: circleci/rust:1.32.0
    working_directory: ~/workspace
    steps:
      - checkout
      - restore_cache:
          key: *cachekey_rust
      - run: cargo build --release
      - save_cache:
          key: *cachekey_rust
          paths:
            - "~/.cargo"
            - "./target"
      - persist_to_workspace:
          root: .
          paths:
              - target/release/YOUR_BINARY_HERE
              - .env

  deploy:
    docker:
      - image: circleci/rust:1.32.0
    working_directory: ~/workspace
    steps:
      - add_ssh_keys
      - attach_workspace:
          at: .
      - run: mv target/release/YOUR_BINARY_HERE YOUR_BINARY_HERE
      - run: rm -r target/
      - run: zip -r YOUR_BINARY_HERE.zip ./*
      - store_artifacts:
          path: YOUR_BINARY_HERE.zip
      # - run: TODO - scp YOUR_BINARY_HERE.zip to your favorite server

workflows:
  version: 2
  build_and_test:
    jobs:
      - build_backend
      - deploy:
          requires:
            - build_backend
          filters:
            branches:
              only:
                - master