# https://github.com/actions/starter-workflows/ci/docker-publish.yml
# If using base images, don't forget to add READ access, eg. from a package settings page like:
# https://github.com/orgs/storytold/packages/container/docker-base-images-rust-ssl/settings/actions_access
name: "Speedup Test"
on:
  push:
    branches:
      - speedup-experiments
env:
  IMAGE_NAME: storyteller-rust-speedup-exp

jobs:
  # Push image to GitHub Packages.
  # See also https://docs.docker.com/docker-hub/builds/
  # See also https://depot.dev/blog/docker-layer-caching-in-github-actions
  # See also https://evilmartians.com/chronicles/build-images-on-github-actions-with-docker-layer-caching
  build-docker-image:
    name: "Build Docker Image"
    #runs-on: ubuntu-22.04 # runs-on: ubuntu-latest
    #runs-on: github-ubuntu-16core # NB: Premium GitHub runner with more cores
    runs-on: github-ubuntu-64core # NB: Premium GitHub runner with more cores
    if: github.event_name == 'push'
    permissions:
      packages: write
      contents: read

    steps:
      - uses: actions/checkout@v3

      # - uses: docker/setup-buildx-action@v1
      #   name: Set up Docker Buildx

      - uses: docker/login-action@v1
        name: Login to GitHub Container Registry
        with:
          registry: ghcr.io
          username: ${{ github.actor }} # username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Calculate short SHA
        id: vars
        # echo "sha_short=$(git rev-parse --short HEAD)" >> $GITHUB_OUTPUT
        run: |
          echo "sha_short=$(echo ${{ github.sha }} | cut -c1-12)" >> $GITHUB_OUTPUT

      - name: Emit short SHA
        run: |
          echo "Full SHA: ${{ github.sha }}"
          echo "Short SHA: ${{ steps.vars.outputs.sha_short }}"

      #- uses: actions/cache@v2
      #  name: Cache Docker layers
      #  with:
      #    path: /tmp/.buildx-cache
      #    key: ${{ runner.os }}-buildx-${{ github.sha }}
      #    restore-keys: |
      #      ${{ runner.os }}-buildx-

      # Docs for this action are at https://github.com/marketplace/actions/build-docker-images-using-cache
      - uses: whoan/docker-build-with-cache-action@v6
        with:
          registry: ghcr.io
          username: ${{ github.actor }} # username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}
          image_name: storytold/storyteller-rust-speedup-exp
          dockerfile: ./build/service_cpu.Dockerfile
          # NB: The `git_push_tag: true` option does not work as expected, so we put the sha in `image_tag`:
          # https://github.com/whoan/docker-build-with-cache-action/issues/72
          image_tag: speedup-${{ steps.vars.outputs.sha_short }}
          # NB: Inject the Git SHA into the container so the servers can emit their own version:
          build_extra_args: "--build-arg=GIT_SHA=${{ github.sha }}"


      - name: Cleanup / Debug
        # This job will run even on failures to help with debugging.
        if: always()
        run: |
          echo "Report at final github action step:"
          echo "Disk usage:"
          pwd
          du -hsc * | sort -hr