Azure DevOps Pipelines yml file for two Projects net core 3.1

Azure-Pipelines-NetCore-3.1.yml

trigger:
- main

pool:
  vmImage: 'ubuntu-latest'

variables:
  buildConfiguration: 'Release'

steps:
    - task: UseDotNet@2 
      displayName: "Restore Back"
      inputs:
        version: '3.1.x'
        packageType: sdk
    - script: dotnet restore PROJECTNAMEBACK.csproj
      displayName: 'dotnet Restore back'

    - task: UseDotNet@2 
      displayName: "Restore Front"
      inputs:
        version: '3.1.x'
        packageType: sdk
    - script: dotnet restore PROJECTNAMEFRONT.csproj
      displayName: 'dotnet Restore FRONT'

    - task: UseDotNet@2
      displayName: "Build Back"
      inputs:
        version: '3.1.x'
        packageType: sdk
    - script: dotnet build --configuration $(buildConfiguration) PROJECTNAMEBACK.csproj
      displayName: 'dotnet build $(buildConfiguration) PROJECTNAMEBACK.csproj'

    - task: UseDotNet@2 
      displayName: "Build Front"
      inputs:
        version: '3.1.x'
        packageType: sdk
    - script: dotnet build --configuration $(buildConfiguration) PROJECTNAMEFRONT.csproj
      displayName: 'dotnet build $(buildConfiguration) PROJECTNAMEFRONT.csproj'

    - task: DotNetCoreCLI@2
      displayName: "Publish Artifacts"
      inputs:
        command: 'publish'
        publishWebProjects: true
        arguments: '-r linux-x64 --configuration $(BuildConfiguration) --output $(Build.ArtifactStagingDirectory)'
        zipAfterPublish: true

    - task: PublishBuildArtifacts@1
      displayName: "ArtefactName"
      inputs:
        pathtoPublish: '$(Build.ArtifactStagingDirectory)' 
        artifactName: 'ArtefactName'