azure-pipeline-docker.yml

name: $(Major).$(Minor).$(Patch)

variables:
  Major: 1
  Minor: 0
  Patch: $[counter(format('{0}.{1}', variables['Major'], variables['Minor']), 0)]
  
resources:
- repo: self

trigger:  
  branches:
    include:
    - master
  paths:
    include:
    - Monitoring_Stack/Docker/docker-compose.yml
    - azure-pipeline-docker.yml

stages:
- stage: Build
  displayName: Build
  jobs:
  - job: Build
    displayName: Build Docker Monitoring Solution
    pool:
      name: LocalLinux
    workspace:
      clean: all 
    steps:
    - bash: |
       docker-compose -f $(Build.SourcesDirectory)/Monitoring_Stack/Docker/docker-compose.yml config
      displayName: 'Verify New Docker Compose File'

    - bash: |
       mkdir -p /home/user/Docker/BackupConfig
       cp /home/user/Docker/docker-compose.yml /home/user/Docker/BackupConfig/docker-compose.yml
      displayName: 'Backup Docker Compose File'

    - bash: |
       mkdir -p $(Build.ArtifactStagingDirectory)/docker
       cp $(Build.SourcesDirectory)/Monitoring_Stack/Docker/docker-compose.yml $(Build.ArtifactStagingDirectory)/docker/docker-compose.yml
      displayName: 'Copy Docker Components to Artifacts Directory'

    - task: PublishPipelineArtifact@1
      inputs:
        targetPath: '$(Build.ArtifactStagingDirectory)/docker/'
        artifact: DockerPackage

- stage: Deploy
  dependsOn: Build
  jobs: 
  - deployment: Deploy
    displayName: Deploy Docker Compose Job
    pool:
      name: LocalLinux
    environment: Live
    strategy:
      runOnce:
        deploy:
          steps:
          - bash: |
             cd /home/user/Docker
            displayName: 'Change to Docker Compose Directory'

          - bash: |
             ls $AGENT_BUILDDIRECTORY/DockerPackage
             cp $AGENT_BUILDDIRECTORY/DockerPackage/* /home/user/Docker/ -R
            displayName: 'Copy Docker Artifacts to Docker Dir'

          - bash: |
             cd /home/user/Docker
             docker-compose down
            displayName: 'Stop all Docker Images'

          - bash: |
             cd /home/user/Docker
             docker-compose up -d
            displayName: 'Apply new Docker Compose File'

          - bash: |
             cd /home/user/Docker
             docker-compose down
             cp /home/user/Docker/BackupConfig/docker-compose.yml /home/user/Docker/docker-compose.yml
             docker-compose up -d
            displayName: 'Rollback to previous Docker Compose file if previous step fails'
            condition: failed()