version: '2'
vars:
  registry: fh1-harbor01
  app: myapp
  hosts:
    - host1
    - host2

tasks:
  build:
    description: Build the docker image and push it to the registry
    do: series
    actions:
      - description: Build the image
        do: shell
        command: docker build --force-rm -t <%=registry%>/<%=app%>
      - description: Push it to the registry
        do: shell
        command: docker push <%=registry%>/<%=app%>

  deploy:
    description: Deploy container to a host
    args:
      host:
        required: yes
        type: string
    do: series
    actions:
      - description: Host pulls the image
        do: shell
        command: docker pull <%=registry%>/<%=image%>
        env:
          DOCKER_HOST: <%=host%>
          DOCKER_TLS_VERIFY: '1'
      - description: Host starts container
        do: shell
        command: docker-compose up -d
        env:
          DOCKER_HOST: <%=host%>
          DOCKER_TLS_VERIFY: '1'

  deploy_all:
    description: Deploy to all hosts listed
    do: for
    every: host
    in: <%=hosts%>
    exec: deploy