docker-build.yml

name: Docker Env Image (cuda-11-8)

on:
  push:
    branches: [ "main" ]
    # Publish semver tags as releases.
    tags: [ 'v*.*.*' ]
  pull_request:
    branches: [ "main" ]

env:
  # Use docker.io for Docker Hub if empty
  REGISTRY: ghcr.io
  # github.repository as <account>/<repo>
  IMAGE_NAME: ${{ github.repository }}

jobs:
  build:
    name: Docker Env Image (cuda-11-8)
  
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
      # This is used to complete the identity challenge
      # with sigstore/fulcio when running outside of PRs.
      id-token: write

    steps:
      # Get and log the free space
      - name: Get system free space (Before reclaim)
        run: |
          echo "Free space:"
          df -h
      
      # Due to the docker image being > available space on the runner
      # we need to do some optimization, to create more space.
      # https://github.com/marketplace/actions/disk-space-reclaimer
      # https://stackoverflow.com/questions/76294509/github-actions-docker-service-container-25gb-cannot-be-loaded
      - name: Maximize build space
        uses: insightsengineering/disk-space-reclaimer@v1
        with:
          # this might remove tools that are actually needed,
          # if set to "true" but frees about 6 GB
          tools-cache: true

          # all of these default to true, but feel free to set to
          # "false" if necessary for your workflow
          android: true
          dotnet: true
          haskell: true
          large-packages: true
          swap-storage: true
          docker-images: true
      
      # Get and log the free space
      - name: Get system free space (After reclaim)
        run: |
          echo "Free space:"
          df -h

      - name: Checkout repository
        uses: actions/checkout@v3

      # Install the cosign tool except on PR
      # https://github.com/sigstore/cosign-installer
      - name: Install cosign
        if: github.event_name != 'pull_request'
        uses: sigstore/cosign-installer@f3c664df7af409cb4873aa5068053ba9d61a57b6 #v2.6.0
        with:
          cosign-release: 'v1.11.0'

      # Workaround: https://github.com/docker/build-push-action/issues/461
      - name: Setup Docker buildx
        uses: docker/setup-buildx-action@v2

      # Login against a Docker registry except on PR
      # https://github.com/docker/login-action
      - name: Log into registry ${{ env.REGISTRY }}
        if: github.event_name != 'pull_request'
        uses: docker/login-action@28218f9b04b4f3f62068d7b6ce6ca5b26e35336c
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      # Extract metadata (tags, labels) for Docker
      # https://github.com/docker/metadata-action
      - name: Extract Docker metadata
        id: meta
        uses: docker/metadata-action@98669ae865ea3cffbcbaa878cf57c20bbf1c6c38
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
      
      - name: downcase IMAGE_NAME
        run: |
          echo "IMAGE_NAME_LC=${IMAGE_NAME,,}" >>${GITHUB_ENV}
      
      # Build and push Docker image with Buildx (don't push on PR)
      # https://github.com/docker/build-push-action
      - name: Build and push Docker image
        id: build-and-push
        uses: docker/build-push-action@v4
        with:
          context: "{{defaultContext}}:docker/env-cuda-11-8"
          push: ${{ github.event_name != 'pull_request' }} # Don't push on PR
          tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME_LC }}:env-cuda-11-8
          # tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha,src=docker/env-cuda-11-8
          cache-to: type=gha,mode=max