parameters:
  jobs: []
  vmImage: 'ubuntu-latest'
  container: 'node:12'

jobs:
- ${{ each job in parameters.jobs }}:
  - ${{ each pair in job }}:
      ${{ pair.key }}: ${{ pair.value }}
    pool:
      vmImage: "${{ parameters.vmImage }}"
    container: "$[ coalesce(variables.container, '${{ parameters.container }}') ]"