.drone.yml

kind: pipeline
name: default

steps:
  - name: requirements
    image: kennethreitz/pipenv
    commands: ["pipenv lock -r | tee requirements.txt"]

  - name: info
    image: alpine/git
    commands:
      - git fetch --tags
      - git describe --tags 2> /dev/null | cut -c 2- > /info/version
      - git rev-parse HEAD 2> /dev/null > /info/commit
      - git rev-parse --abbrev-ref HEAD 2> /dev/null > /info/branch
      - head -1 < go.mod | awk '{print $2}' 2> /dev/null > /info/module
      - tail -n +1 /info/*
    volumes:
      - name: info
        path: /info

  - name: build
    image: stevenxie/kaniko-drone
    settings: &settings
      repo: stevenxie/veritaserum
      dockerfile: Dockerfile
      tags:
        - |
          $([ $DRONE_BUILD_EVENT != tag ] && \
            printf '%s-%s' $(cat /i/branch | tr / -) $(cat /i/commit) || true)
        - |
          $([ $DRONE_BUILD_EVENT != pull_request ] && \
            [ $(cat /i/branch) == master ] && \
            echo latest || true)
        - |
          $([ $DRONE_BUILD_EVENT != pull_request ] && \
            ([ $DRONE_BUILD_EVENT == tag ] || \
             [ $(cat /i/branch) == master ]) && \
             cat /i/version || true)
      username: stevenxie
      password:
        from_secret: docker_token
    volumes: &volumes
      - name: info
        path: /i

volumes:
  - name: info
    temp: {}