azure-pipelines.yml

# Starter pipeline
# Start with a minimal pipeline that you can customize to build and deploy your code.
# Add steps that build, run tests, deploy, and more:
# https://aka.ms/yaml

name: $(Build.SourceVersion)

stages:
  - stage: Build_docker
    dependsOn: []
    jobs:
      - job: Docker
        variables:
          dockerId: ulrikaugustsson
          imageName: reason-guest-login-oidc-client
        pool:
          vmImage: ubuntu-16.04

        steps:
          - script: docker login -u $(dockerId) -p $(dockerPassword)
            displayName: "Login to docker"

          - script: mkdir -p $(Pipeline.Workspace)/docker-cache

          - task: CacheBeta@0
            inputs:
              key: |
                ReasonGuestLoginOidcClient
                docker
                $(Build.SourcesDirectory)/docker-cache.json
              path: $(Pipeline.Workspace)/docker-cache
            displayName: Cache Docker image

          - script: |
              docker load -i $(Pipeline.Workspace)/docker-cache/docker_cache.tar || exit 0
            displayName: Load Docker image and layers
          
          # Build the builder stage:
          - script: |
              docker build --target builder \
                    --cache-from=$(dockerId)/$(imageName)-builder:latest \
                    --tag $(dockerId)/$(imageName)-builder:latest .
            displayName: "Build builder stage"

          - script: docker save $(dockerId)/$(imageName)-builder:latest $(docker history -q $(dockerId)/$(imageName)-builder:latest | grep -v "<missing>") -o $(Pipeline.Workspace)/docker-cache/docker_cache.tar
            displayName: Save docker cache

          # Build the runtime stage, using cached compile stage:
          - script: |
              docker build \
                    --cache-from=$(dockerId)/$(imageName)-builder:latest \
                    --tag $(dockerId)/$(imageName):$(Build.BuildId) .
            displayName: "Build runtime stage"