build-docker.template.yml

parameters:
- name: workingDirectory
  default: .
  type: string
- name: dockerGroup
  default: ''
- name: tagLatest
  default: true
- name: bundleDir
  default: build/
- name: bundleName
  default: ''
- name: dockerBuildArgs
  type: object
  default: {}

steps:
- ${{ if ne(parameters.bundleName, '') }}:
    - task: DownloadPipelineArtifact@2
      inputs:
        artifact: ${{parameters.bundleName}}
        path: $(Build.SourcesDirectory)/${{parameters.workingDirectory}}/${{parameters.bundleDir}}
- ${{ each pair in parameters.dockerBuildArgs }}:
  - bash: echo "##vso[task.setVariable variable=DOCKER_BUILD_ARGS]$(DOCKER_BUILD_ARGS) --build-arg ${{pair.key}}='${{pair.value}}'"
    displayName: Build Arg - ${{pair.key}}
    workingDirectory: ${{parameters.workingDirectory}}

- template: ./dockerTagFromRepo.template.yml
  parameters:
    dockerGroup: ${{parameters.dockerGroup}}

- bash: docker build -t $(dockerImageTag) $(DOCKER_BUILD_ARGS) .
  displayName: Docker Build
  workingDirectory: ${{parameters.workingDirectory}}

- bash: |
    mkdir -p $(System.DefaultWorkingDirectory)/DockerBundle
    printf '%s' "$(dockerImageRepository)" > $(System.DefaultWorkingDirectory)/DockerBundle/repository
    printf '%s' "$(Build.BuildNumber)" > $(System.DefaultWorkingDirectory)/DockerBundle/tag
  displayName: Prepare DockerBundle

- publish: $(System.DefaultWorkingDirectory)/${{parameters.workingDirectory}}/DockerBundle
  artifact: DockerBundle
  displayName: Publish DockerBundle

- ${{if eq(parameters.tagLatest, true)}}:
  - bash: docker image tag $(dockerImageTag) $(dockerImageRepository):latest
    displayName: Tag as 'latest'

dockerTagFromRepo.template.yml

parameters:
- name: dockerGroup
  default: ''
- name: repoVariable
  default: dockerImageRepository
- name: tagVariable
  default: dockerImageTag
  

steps:
- bash: |
    branch_lowercases=$(echo $(Build.SourceBranch)  | tr '[:upper:]' '[:lower:]' | tr -d - | tr -d _)
    branch_ref=$branch_lowercases
    prefix="refs/heads/"
    removed_prefix=${branch_ref#"$prefix"}
    echo "lower cases $branch_lowercases"
    echo "##vso[task.setvariable variable=branch;isOutput=true]$removed_prefix"
  displayName: 'Remove prefix'
  name: removed_prefix

- bash: |
    echo "repository name: $(Build.Repository.Name)"
    repository_name=$(echo $(Build.Repository.Name)  | tr '[:upper:]' '[:lower:]')
    repo_name=$repository_name
    prefix="mycompany/"
    fixed_repo_name=${repo_name#"$prefix"}
    echo "fixed repository name: $fixed_repo_name"
    echo "##vso[task.setvariable variable=repo;isOutput=true]$fixed_repo_name"
    echo "##vso[task.setvariable variable=dockerGroup]"
  displayName: 'Fix repository name'
  name: fixed_repo_name

- ${{ if ne(parameters.dockerGroup, '') }}:
  - bash: echo "##vso[task.setvariable variable=dockerGroup]${{parameters.dockerGroup}}/"
    displayName: Prepare Docker Group

- bash: echo "##vso[task.setVariable variable=${{ parameters.repoVariable }}]mycompany-docker-dev.jfrog.io/$(dockerGroup)$(fixed_repo_name.repo)/$(removed_prefix.branch)"
  displayName: Push Image Repository Variable [${{ parameters.repoVariable }}]

- bash: echo "##vso[task.setVariable variable=${{ parameters.tagVariable }}]$(${{ parameters.repoVariable }}):$(build.buildNumber)"
  displayName: Push Image Tag Variable [${{ parameters.tagVariable }}]