blink/.github/workflows/build-agent-docker-image.yml at main · coder/blink · GitHub

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name: Build and publish the agent Docker image

on:
  workflow_dispatch:
    branches:
      - main

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository_owner }}/blink-agent

jobs:
  build:
    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 repository
        uses: actions/checkout@v5

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

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

      - name: Build and push by digest
        id: build
        uses: docker/build-push-action@v6
        with:
          context: packages/server/docker/agent
          file: packages/server/docker/agent/Dockerfile
          platforms: ${{ matrix.platform }}
          outputs: type=image,name=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }},push-by-digest=true,name-canonical=true,push=true
          provenance: false

      - name: Upload digest
        run: |
          mkdir -p /tmp/digests
          platform="${{ matrix.platform }}"
          echo "${{ steps.build.outputs.digest }}" > "/tmp/digests/${platform//\//-}"
      - uses: actions/upload-artifact@v4
        with:
          name: digest-${{ matrix.runner }}
          path: /tmp/digests/*
          retention-days: 1

  create-manifest:
    needs: build
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
    steps:
      - name: Download digests
        uses: actions/download-artifact@v4
        with:
          path: /tmp/digests
          pattern: digest-*
          merge-multiple: true

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

      - name: Create and push manifest
        run: |
          SHORT_TAG="${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:$(echo ${{ github.sha }} | cut -c1-7)"
          LATEST_TAG="${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest"
          DIGESTS=$(for digest in /tmp/digests/*; do echo "${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}@$(cat $digest)"; done)

          docker manifest create $SHORT_TAG $DIGESTS
          docker manifest push $SHORT_TAG

          docker manifest create $LATEST_TAG $DIGESTS
          docker manifest push $LATEST_TAG