version: 2
jobs:
  build:
    docker:
      - image: alpine:latest
    steps:
      - checkout
      - run: apk-add --no-cache --update coreutils qemu virtualbox gawk sed curl wget make
      - run: make debian-stretch
      - run: make ubuntu-bionic
      - run: make centos
workflows:
  version: 2
  build:
    jobs:
      - build

version: 2
jobs:
  build:
    docker:
      - image: alpine:latest
    steps:
      - run: apk-add --no-cache --update coreutils qemu virtualbox gawk sed curl wget make git ssh
      - checkout
      - run: make debian-stretch
      - run: make ubuntu-bionic
      - run: make centos
workflows:
  version: 2
  build:
    jobs:
      - build

Install git and ssh before checkout.
Install git and ssh before checkout.
