# This workflow uses actions that are not certified by GitHub.
# They are provided by a third-party and are governed by
# separate terms of service, privacy policy, and support
# documentation.

# GitHub recommends pinning actions to a commit SHA.
# To get a newer version, you will need to update the SHA.
# You can also reference a tag or branch, but the action may change without warning.

name: Publish Docker image

on:
  workflow_dispatch: # allows manual triggering
  schedule:
    # Rebuild daily rather than on every push because it is expensive
    - cron: '12 4 * * *'

concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref && github.ref || github.run_id }}
  cancel-in-progress: true

# Fine-grant permission
# https://docs.github.com/en/actions/security-for-github-actions/security-guides/automatic-token-authentication#modifying-the-permissions-for-the-github_token
permissions:
  packages: write

jobs:
  push_to_registry:
    name: Push Docker image to Docker Hub

    runs-on: ubuntu-latest
    env:
      COMMIT_SHA: ${{ github.sha }}
    strategy:
      matrix:
        config:
          # Multi-stage build
          - { tag: "cpu", dockerfile: ".devops/cpu.Dockerfile", platforms: "linux/amd64,linux/arm64", full: true, light: true, server: true, freediskspace: false}
          - { tag: "cuda", dockerfile: ".devops/cuda.Dockerfile", platforms: "linux/amd64", full: true, light: true, server: true, freediskspace: false}
          - { tag: "musa", dockerfile: ".devops/musa.Dockerfile", platforms: "linux/amd64", full: true, light: true, server: true, freediskspace: false}
          - { tag: "intel", dockerfile: ".devops/intel.Dockerfile", platforms: "linux/amd64", full: true, light: true, server: true, freediskspace: false}
          - { tag: "vulkan", dockerfile: ".devops/vulkan.Dockerfile", platforms: "linux/amd64", full: true, light: true, server: true, freediskspace: false}
          # Note: the rocm images are failing due to a compiler error and are disabled until this is fixed to allow the workflow to complete
          #- {tag: "rocm", dockerfile: ".devops/rocm.Dockerfile", platforms: "linux/amd64,linux/arm64", full: true, light: true, server: true, freediskspace: true }
    steps:
      - name: Check out the repo
        uses: actions/checkout@v4
        with:
          fetch-depth: 0 # preserve git history, so we can determine the build number

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Log in to Docker Hub
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Determine tag name
        id: tag
        shell: bash
        run: |
          BUILD_NUMBER="$(git rev-list --count HEAD)"
          SHORT_HASH="$(git rev-parse --short=7 HEAD)"
          REPO_OWNER="${GITHUB_REPOSITORY_OWNER@L}"  # to lower case
          REPO_NAME="${{ github.event.repository.name }}"

          # determine tag name postfix (build number, commit hash)
          if [[ "${{ env.GITHUB_BRANCH_NAME }}" == "master" ]]; then
            TAG_POSTFIX="-b${BUILD_NUMBER}"
          else
            SAFE_NAME=$(echo "${{ env.GITHUB_BRANCH_NAME }}" | tr '/' '-')
            TAG_POSTFIX="-${SAFE_NAME}-${SHORT_HASH}"
          fi
          # list all tags possible
          if [[ "${{ matrix.config.tag }}" == "cpu" ]]; then
              TYPE=""
          else
              TYPE="-${{ matrix.config.tag }}"
          fi
          PREFIX="ghcr.io/${REPO_OWNER}/${REPO_NAME}:"
          FULLTAGS="${PREFIX}full${TYPE},${PREFIX}full${TYPE}${TAG_POSTFIX}"
          LIGHTTAGS="${PREFIX}light${TYPE},${PREFIX}light${TYPE}${TAG_POSTFIX}"
          SERVERTAGS="${PREFIX}server${TYPE},${PREFIX}server${TYPE}${TAG_POSTFIX}"
          echo "full_output_tags=$FULLTAGS" >> $GITHUB_OUTPUT
          echo "light_output_tags=$LIGHTTAGS" >> $GITHUB_OUTPUT
          echo "server_output_tags=$SERVERTAGS" >> $GITHUB_OUTPUT
          echo "full_output_tags=$FULLTAGS"  # print out for debugging
          echo "light_output_tags=$LIGHTTAGS"  # print out for debugging
          echo "server_output_tags=$SERVERTAGS"  # print out for debugging
        env:
          GITHUB_BRANCH_NAME: ${{ github.head_ref || github.ref_name }}
          GITHUB_REPOSITORY_OWNER: '${{ github.repository_owner }}'

      # https://github.com/jlumbroso/free-disk-space/tree/54081f138730dfa15788a46383842cd2f914a1be#example
      - name: Free Disk Space (Ubuntu)
        if: ${{ matrix.config.free_disk_space == true }}
        uses: jlumbroso/free-disk-space@main
        with:
          # this might remove tools that are actually needed,
          # if set to "true" but frees about 6 GB
          tool-cache: false

          # 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
          docker-images: true
          swap-storage: true

      - name: Build and push Full Docker image (tagged + versioned)
        if: ${{ (github.event_name == 'push' || github.event_name == 'schedule' || github.event_name == 'workflow_dispatch') && matrix.config.full == true }}
        uses: docker/build-push-action@v6
        with:
          context: .
          push: true
          platforms: ${{ matrix.config.platforms }}
          # tag list is generated from step above
          tags: ${{ steps.tag.outputs.full_output_tags }}
          file: ${{ matrix.config.dockerfile }}
          target: full
          provenance: false
          # using github experimental cache
          cache-from: type=gha
          cache-to: type=gha,mode=max
          # return to this if the experimental github cache is having issues
          #cache-to: type=local,dest=/tmp/.buildx-cache
          #cache-from: type=local,src=/tmp/.buildx-cache

      - name: Build and push Light Docker image (tagged + versioned)
        if: ${{ (github.event_name == 'push' || github.event_name == 'schedule' || github.event_name == 'workflow_dispatch') && matrix.config.light == true }}
        uses: docker/build-push-action@v6
        with:
          context: .
          push: true
          platforms: ${{ matrix.config.platforms }}
          # tag list is generated from step above
          tags: ${{ steps.tag.outputs.light_output_tags }}
          file: ${{ matrix.config.dockerfile }}
          target: light
          provenance: false
          # using github experimental cache
          cache-from: type=gha
          cache-to: type=gha,mode=max
          # return to this if the experimental github cache is having issues
          #cache-to: type=local,dest=/tmp/.buildx-cache
          #cache-from: type=local,src=/tmp/.buildx-cache

      - name: Build and push Server Docker image (tagged + versioned)
        if: ${{ (github.event_name == 'push' || github.event_name == 'schedule' || github.event_name == 'workflow_dispatch') && matrix.config.server == true }}
        uses: docker/build-push-action@v6
        with:
          context: .
          push: true
          platforms: ${{ matrix.config.platforms }}
          # tag list is generated from step above
          tags: ${{ steps.tag.outputs.server_output_tags }}
          file: ${{ matrix.config.dockerfile }}
          target: server
          provenance: false
          # using github experimental cache
          cache-from: type=gha
          cache-to: type=gha,mode=max
          # return to this if the experimental github cache is having issues
          #cache-to: type=local,dest=/tmp/.buildx-cache
          #cache-from: type=local,src=/tmp/.buildx-cache