deploy.yaml

name: Deploy image to GHCR 🪂

env:
  REGISTRY: ghcr.io
  # PLATFORMS is a comma-separted list of architectures to build for.
  # We disable linux/arm64 due to runner mem saturation.
  PLATFORMS: linux/amd64

on:
  push:
    branches:
      - add-julia-docker-image
  # repository_dispatch:
  #   types:
  #     - scheduled
  workflow_dispatch:
    inputs:
      origin:
        description: DockerHub org or username where the base image is located
        required: true
        type: choice
        default: "julia"
        options:
          - "julia"

      source_image_tag:
        description: Source image tag
        required: true
        type: choice
        default: "1.10-bookworm"
        options:
          - "1.10-bookworm"

      destination_image_name:
        description: Destination image name
        required: true
        type: choice
        default: "julia-vscode"
        options:
          - "julia-vscode"
          - "julia"

      tag:
        description: |
          Custom Image Tag/Version. Defaults to current date in the `YYYY.MM.DD`
          format if unspecified.
        required: true
        type: choice
        default: "1.10-bookworm"
        options:
          - "1.10-bookworm"

      tag_latest:
        description: Tag image as `latest`
        default: false
        type: boolean

      release_tag:
        description: |
          Release tag to which SBOM generated for image should be attached.
          Release tags follow the `YYYY.MM.DD` format.
          This must be specified if you want to upload artifacts to the release.
        required: false
        default: ""

jobs:
  normalize-inputs:
    name: Normalize inputs 🧹
    runs-on: ubuntu-latest
    steps:
      - name: Normalize 🧽
        id: normalizer
        run: |
          function normalize() {
            local var=$1
            if [ "$var" == "" ]
            then {
              var=$2
            }
            fi
            echo ${var}
          }

          # TODO Remove once the workflow appears on main.
          ORIGIN=$(normalize ${{ github.event.inputs.origin }} julia)
          SOURCE_IMAGE_TAG=$(normalize ${{ github.event.inputs.source_image_tag }} 1.10-bookworm)
          DESTINATION_IMAGE_NAME=$(normalize ${{ github.event.inputs.destination_image_name }} julia-vscode)
          TAG=$(normalize ${{ github.event.inputs.tag }} 1.10-bookworm)

          # TODO uncomment once this is merged to main.
          # ORIGIN=$(normalize ${{ github.event.inputs.origin }} ${{ github.event.client_payload.origin }})
          # SOURCE_IMAGE_TAG=$(normalize ${{ github.event.inputs.source_image_tag }} ${{ github.event.client_payload.source_image_tag }})
          # DESTINATION_IMAGE_NAME=$(normalize ${{ github.event.inputs.destination_image_name }} ${{ github.event.client_payload.destination_image_name }})
          # TAG=$(normalize ${{ github.event.inputs.tag }} ${{ github.event.client_payload.tag }})

          TAG_LATEST=$(normalize ${{ github.event.inputs.tag_latest }} ${{ github.event.client_payload.tag_latest }})
          RELEASE_TAG=$(normalize ${{ github.event.inputs.release_tag }} ${{ github.event.client_payload.release_tag }})

          echo "ORIGIN=$ORIGIN" >> $GITHUB_OUTPUT
          echo "SOURCE_IMAGE_TAG=$SOURCE_IMAGE_TAG" >> $GITHUB_OUTPUT
          echo "DESTINATION_IMAGE_NAME=$DESTINATION_IMAGE_NAME" >> $GITHUB_OUTPUT
          echo "TAG=$TAG" >> $GITHUB_OUTPUT
          echo "TAG_LATEST=$TAG_LATEST" >> $GITHUB_OUTPUT
          echo "RELEASE_TAG=$RELEASE_TAG" >> $GITHUB_OUTPUT
        shell: bash
    outputs:
      origin: ${{ steps.normalizer.outputs.ORIGIN }}
      source_image_tag: ${{ steps.normalizer.outputs.SOURCE_IMAGE_TAG }}
      destination_image_name: ${{ steps.normalizer.outputs.DESTINATION_IMAGE_NAME }}
      tag: ${{ steps.normalizer.outputs.TAG }}
      tag_latest: ${{ steps.normalizer.outputs.TAG_LATEST }}
      release_tag: ${{ steps.normalizer.outputs.RELEASE_TAG }}

  build:
    runs-on: ubuntu-latest
    needs: normalize-inputs
    name: Build & Deploy 🚀 ${{ needs.normalize-inputs.outputs.destination_image_name }}:${{ needs.normalize-inputs.outputs.destination_image_tag }}

    # Token permissions
    permissions:
      contents: read
      packages: write

    # Build steps
    steps:
      - name: Reclaim Disk Space 🚮
        uses: insightsengineering/disk-space-reclaimer@v1
        with:
          tools-cache: false
          android: true
          dotnet: true
          haskell: true
          large-packages: true
          swap-storage: false
          docker-images: true

      - name: Checkout repository 💳
        uses: actions/checkout@v4

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
        id: buildx
        with:
          install: true

      - name: Set up QEMU
        id: qemu
        uses: docker/setup-qemu-action@v3
        with:
          platforms: ${{ env.PLATFORMS }}

      - name: Cache Docker layers ♻️
        uses: actions/cache@v4
        with:
          path: /tmp/.buildx-cache
          key: ${{ runner.os }}-buildx-${{ needs.normalize-inputs.outputs.destination_image_name }}-${{ needs.normalize-inputs.outputs.destination_image_tag }}
          restore-keys: |
            ${{ runner.os }}-buildx-${{ needs.normalize-inputs.outputs.destination_image_name }}-${{ needs.normalize-inputs.outputs.destination_image_tag }}
            ${{ runner.os }}-buildx-${{ needs.normalize-inputs.outputs.destination_image_name }}
            ${{ runner.os }}-buildx-

      - name: Log in to the Container registry 🗝
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Set build variables 📐
        id: build_vars
        run: |
          # Set default tag as 'YYYY.MM.DD' date if it isn't set
          tag="${{ needs.normalize-inputs.outputs.tag }}"
          if [ "${tag}" == "" ]
          then {
            tag=$(date +%Y.%m.%d)
          }
          fi

          tag_latest="${{ needs.normalize-inputs.outputs.tag_latest }}"
          image_name="${{ needs.normalize-inputs.outputs.destination_image_name }}"

          # Set full image name
          full_names="${{ env.REGISTRY }}/${{ github.repository_owner }}/${image_name}:${tag}"
          echo "OUTPUT_IMAGE_NAME=${full_names}" >> $GITHUB_OUTPUT
          if [ "${tag_latest}" == "true" ]
          then
            full_names="$full_names,${{ env.REGISTRY }}/${{ github.repository_owner }}/${image_name}:latest"
          fi
          echo "FULL_NAMES=${full_names}" >> $GITHUB_OUTPUT
          echo "FULL_NAMES=${full_names}"

          # Push the image if we're running for main
          echo "github.ref = ${{ github.ref }}"

          if [ "${{ github.ref }}" == 'refs/heads/main' ]; then
            echo "DOCKER_PUSH=true" >> $GITHUB_OUTPUT
            echo "DOCKER_PUSH = true"
          else
            echo "DOCKER_PUSH=false" >> $GITHUB_OUTPUT
            echo "DOCKER_PUSH = false"
          fi

          # TODO remove
          echo "DOCKER_PUSH = true"
          echo "DOCKER_PUSH=true" >> $GITHUB_OUTPUT

          echo "SBOM_OUTPUT_FILENAME=$GITHUB_WORKSPACE/sbom.json" >> $GITHUB_OUTPUT

      - name: Build and push image 🏗
        uses: docker/build-push-action@v5
        with:
          context: ./
          file: Dockerfile
          push: ${{ steps.build_vars.outputs.DOCKER_PUSH }}
          tags: ${{ steps.build_vars.outputs.FULL_NAMES }}
          cache-from: type=local,src=/tmp/.buildx-cache
          cache-to: type=local,dest=/tmp/.buildx-cache-new
          build-args: |
            ORIGIN=${{ needs.normalize-inputs.outputs.origin }}
            SOURCE_IMAGE_TAG=${{ needs.normalize-inputs.outputs.source_image_tag }}
            DESTINATION_IMAGE_NAME=${{ needs.normalize-inputs.outputs.destination_image_name }}
            DESTINATION_IMAGE_TAG=${{ needs.normalize-inputs.outputs.tag }}
          platforms: ${{ env.PLATFORMS }}

      - name: Generate image manifest 🐳
        run: |
          docker manifest inspect ${{ steps.build_vars.outputs.OUTPUT_IMAGE_NAME }} > manifest.json

      # - name: Reclaim Disk Space for SBOM Generation 🚮
      #   uses: insightsengineering/disk-space-reclaimer@v1
      #   with:
      #     tools-cache: false
      #     android: true
      #     dotnet: true
      #     haskell: true
      #     large-packages: true
      #     swap-storage: false
      #     docker-images: true

      # - name: Generate SBOM 📃
      #   uses: anchore/sbom-action@v0
      #   with:
      #     image: "${{ steps.build_vars.outputs.OUTPUT_IMAGE_NAME }}"
      #     output-file: "${{ steps.build_vars.outputs.SBOM_OUTPUT_FILENAME }}"
      #     artifact-name: "sbom.spdx"

      # - name: Upload image manifest to release 🔼
      #   uses: svenstaro/upload-release-action@v2
      #   if: "${{ needs.normalize-inputs.outputs.release_tag }} != ''"
      #   with:
      #     repo_token: ${{ secrets.REPO_GITHUB_TOKEN }}
      #     file: "manifest.json"
      #     asset_name: "image.manifest.${{ steps.build_vars.outputs.OUTPUT_IMAGE_NAME }}.json"
      #     tag: "${{ needs.normalize-inputs.outputs.release_tag }}"
      #     overwrite: true

      # - name: Upload SBOM to release 🔼
      #   uses: svenstaro/upload-release-action@v2
      #   if: "${{ needs.normalize-inputs.outputs.release_tag }} != ''"
      #   with:
      #     repo_token: ${{ secrets.REPO_GITHUB_TOKEN }}
      #     file: "${{ steps.build_vars.outputs.SBOM_OUTPUT_FILENAME }}"
      #     asset_name: "SBOM for ${{ steps.build_vars.outputs.OUTPUT_IMAGE_NAME }}.spdx.json"
      #     tag: "${{ needs.normalize-inputs.outputs.release_tag }}"
      #     overwrite: true

      # - name: Move cache ♻️
      #   run: |
      #     rm -rf /tmp/.buildx-cache
      #     if [ -f /tmp/.buildx-cache-new ]
      #     then {
      #       mv /tmp/.buildx-cache-new /tmp/.buildx-cache
      #     }
      #     fi