sea-stack-app/.github/workflows/build-and-push-image.yml at 169dc19efa3405638842ee51320fc0c7dbc7cc15 · SeaStackApp/sea-stack-app · GitHub

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name: Build and Push Docker Image

on:
  push:
    branches:
      - main
    paths:
      - 'apps/web/package.json'

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: seastackapp/seastack

jobs:
  check-version-change:
    runs-on: ubuntu-latest
    permissions:
      contents: read
    outputs:
      version_changed: ${{ steps.check.outputs.changed }}
      new_version: ${{ steps.get_version.outputs.version }}
    steps:
      - name: Checkout code
        uses: actions/checkout@v4.2.2
        with:
          fetch-depth: 2

      - name: Get current version
        id: get_version
        run: |
          VERSION=$(jq -r '.version' apps/web/package.json)
          echo "version=$VERSION" >> $GITHUB_OUTPUT
          echo "Current version: $VERSION"

      - name: Get previous version
        id: get_prev_version
        run: |
          if git show HEAD^1:apps/web/package.json > /dev/null 2>&1; then
            PREV_VERSION=$(git show HEAD^1:apps/web/package.json | jq -r '.version')
          else
            PREV_VERSION="none"
          fi
          echo "prev_version=$PREV_VERSION" >> $GITHUB_OUTPUT
          echo "Previous version: $PREV_VERSION"

      - name: Check if version changed
        id: check
        run: |
          CURRENT="${{ steps.get_version.outputs.version }}"
          PREVIOUS="${{ steps.get_prev_version.outputs.prev_version }}"
          if [ "$CURRENT" != "$PREVIOUS" ]; then
            echo "changed=true" >> $GITHUB_OUTPUT
            echo "Version changed from $PREVIOUS to $CURRENT"
          else
            echo "changed=false" >> $GITHUB_OUTPUT
            echo "Version did not change"
          fi

  build-and-push:
    needs: check-version-change
    if: needs.check-version-change.outputs.version_changed == 'true'
    strategy:
      matrix:
        include:
          - runner: ubuntu-latest
            platform: linux/amd64
          - runner: ubuntu-24.04-arm
            platform: linux/arm64
    runs-on: ${{ matrix.runner }}
    permissions:
      contents: read
      packages: write
    steps:
      - name: Checkout code
        uses: actions/checkout@v4.2.2

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3.7.1

      - name: Log in to GitHub Container Registry
        uses: docker/login-action@v3.3.0
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and push by digest
        id: build
        uses: docker/build-push-action@v6.10.0
        with:
          context: .
          platforms: ${{ matrix.platform }}
          outputs: type=image,name=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }},push-by-digest=true,name-canonical=true,push=true
          cache-from: type=gha
          cache-to: type=gha,mode=max

      - name: Export digest
        run: |
          mkdir -p /tmp/digests
          digest="${{ steps.build.outputs.digest }}"
          touch "/tmp/digests/${digest#sha256:}"

      - name: Upload digest
        uses: actions/upload-artifact@v4
        with:
          name: digests-${{ matrix.platform == 'linux/amd64' && 'amd64' || 'arm64' }}
          path: /tmp/digests/*
          if-no-files-found: error
          retention-days: 1

  merge:
    needs: [check-version-change, build-and-push]
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
    steps:
      - name: Download digests
        uses: actions/download-artifact@v4
        with:
          path: /tmp/digests
          pattern: digests-*
          merge-multiple: true

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3.7.1

      - name: Log in to GitHub Container Registry
        uses: docker/login-action@v3.3.0
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v5.6.1
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=raw,value=latest
            type=raw,value=${{ needs.check-version-change.outputs.new_version }}

      - name: Create manifest list and push
        working-directory: /tmp/digests
        run: |
          docker buildx imagetools create $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
            $(printf '${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}@sha256:%s ' *)