azure-pipelines.docker.yml

# Build Docker image for this app using Azure Pipelines
# http://docs.microsoft.com/azure/devops/pipelines/languages/docker?view=vsts
pool:
  vmImage: 'Ubuntu 16.04'

variables:
  imageName: 'pythonsample:$(Build.BuildId)'
  # define two more variables dockerId and dockerPassword in the build pipeline in UI

steps:
- task: UsePythonVersion@0
  inputs:
    versionSpec: 3.5
    architecture: 'x64'

- task: PythonScript@0
  displayName: 'Export project path'
  inputs:
    scriptSource: 'inline'
    script: |
      """Search all subdirectories for `manage.py`."""
      from glob import iglob
      from os import path
      # Python >= 3.5
      manage_py = next(iglob(path.join('**', 'manage.py'), recursive=True), None)
      if not manage_py:
          raise SystemExit('Could not find a Django project')
      project_location = path.dirname(path.abspath(manage_py))
      print('Found Django project in', project_location)
      print('##vso[task.setvariable variable=projectRoot]{}'.format(project_location))

- script: |
    python -m pip install --upgrade pip setuptools wheel django
    pip install -r requirements.txt
    pip install unittest-xml-reporting
  displayName: 'Install prerequisites'

- script: |
    pushd '$(projectRoot)'
    python manage.py test --testrunner xmlrunner.extra.djangotestrunner.XMLTestRunner --no-input
  condition: succeededOrFailed()
  displayName: 'Run tests'

- task: PublishTestResults@2
  inputs:
    testResultsFiles: "**/TEST-*.xml"
    testRunTitle: 'Python $(PYTHON_VERSION)'

- script: |
    docker build -f Dockerfile -t $(dockerId)/$(imageName) .
    docker login -u $(dockerId) -p $pswd
    docker push $(dockerId)/$(imageName)
  env:
    pswd: $(dockerPassword)
  displayName: 'Build and push Docker image'