python_publish_service.yml

steps:

# Set service name as build variable.
- script: $(python3 $(BUILD_SCRIPTS_DIR)/python_export_service_name.py)
  displayName: Get Service Name
  condition: and(succeeded(), eq(variables['Build.SourceBranch'], 'refs/heads/dev'))

- script: docker -v
  displayName: Printing docker version info
  condition: and(succeeded(), eq(variables['Build.SourceBranch'], 'refs/heads/dev'))

# Log in to docker.
- script: docker login $REGISTRY_URL -u $DOCKER_ID -p $DOCKER_PASSWORD
  env:
    DOCKER_ID: $(CONTAINER_REGISTRY_ID)
    DOCKER_PASSWORD: $(CONTAINER_REGISTRY_PASSWORD)
    REGISTRY_URL: $(CONTAINER_REGISTRY_URL)
  displayName: "Logging into DockerHub"
  condition: and(succeeded(), eq(variables['Build.SourceBranch'], 'refs/heads/dev'))

# Build docker image, tag as latest and version.
- script: |
    docker build \
    --no-cache \
    --build-arg PIP_INDEX_URL=$PIP_INDEX_URL \
    --build-arg PIP_EXTRA_INDEX_URL=$PIP_EXTRA_INDEX_URL \
    -t $REGISTRY_URL/$SERVICE_NAME:$RELEASE_VERSION \
    -t $REGISTRY_URL/$SERVICE_NAME:latest .
  env:
    RELEASE_VERSION: $(RELEASE_VERSION)
    REGISTRY_URL: $(CONTAINER_REGISTRY_URL)
    PIP_INDEX_URL: $(PIP_INDEX_URL)
    PIP_EXTRA_INDEX_URL: $(PIP_EXTRA_INDEX_URL)
    DOCKER_BUILDKIT: 1
  displayName: 'Building Docker Image'
  condition: and(succeeded(), eq(variables['Build.SourceBranch'], 'refs/heads/dev'))

# Push docker image.
- script: docker push $REGISTRY_URL/$SERVICE_NAME
  displayName: 'Upload Image'
  env:
    REGISTRY_URL: $(CONTAINER_REGISTRY_URL)
  condition: and(succeeded(), eq(variables['Build.SourceBranch'], 'refs/heads/dev'))

# Merge build to master and tag as release version.
- template: git_update_master_version.yml