# Use the latest 2.1 version of CircleCI pipeline process engine.
# See: https://circleci.com/docs/2.0/configuration-reference
version: 2.1

# Define a job to be invoked later in a workflow.
# See: https://circleci.com/docs/2.0/configuration-reference/#jobs
jobs:
  build:
    # Specify the execution environment. You can specify an image from Dockerhub or use one of our Convenience Images from CircleCI's Developer Hub.
    # See: https://circleci.com/docs/2.0/configuration-reference/#docker-machine-macos-windows-executor
    docker:
      - image: cimg/rust:1.58.1
    # Add steps to the job
    # See: https://circleci.com/docs/2.0/configuration-reference/#steps
    steps:
      - checkout
      - restore_cache:
          key: cargo-lock-{{ checksum "Cargo.lock" }}
      - run:
          name: "Build" 
          command: "cargo build --release"
      - save_cache:
          key: cargo-lock-{{ checksum "Cargo.lock" }}
          paths:
            - target
            - ~/.cargo


# Invoke jobs via workflows
# See: https://circleci.com/docs/2.0/configuration-reference/#workflows
workflows:
  build:
    jobs:
      - build