docker-release.yml

name: Docker Release

on:
  push:
    branches:
      - main
    tags:
      - "v*"
    paths-ignore:
      - "docs/**"
      - "**/*.md"
      - "**/*.mdx"
      - ".agents/**"
      - "skills/**"

concurrency:
  group: docker-release-${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: false

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  # Build amd64 image
  build-amd64:
    runs-on: blacksmith-16vcpu-ubuntu-2404
    permissions:
      packages: write
      contents: read
    outputs:
      image-digest: ${{ steps.build.outputs.digest }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4

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

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Resolve image tags (amd64)
        id: tags
        shell: bash
        env:
          IMAGE: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
        run: |
          set -euo pipefail
          tags=()
          if [[ "${GITHUB_REF}" == "refs/heads/main" ]]; then
            tags+=("${IMAGE}:main-amd64")
          fi
          if [[ "${GITHUB_REF}" == refs/tags/v* ]]; then
            version="${GITHUB_REF#refs/tags/v}"
            tags+=("${IMAGE}:${version}-amd64")
          fi
          if [[ ${#tags[@]} -eq 0 ]]; then
            echo "::error::No amd64 tags resolved for ref ${GITHUB_REF}"
            exit 1
          fi
          {
            echo "value<<EOF"
            printf "%s\n" "${tags[@]}"
            echo "EOF"
          } >> "$GITHUB_OUTPUT"

      - name: Build and push amd64 image
        id: build
        uses: docker/build-push-action@v6
        with:
          context: .
          platforms: linux/amd64
          tags: ${{ steps.tags.outputs.value }}
          cache-from: type=registry,ref=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}-cache:amd64
          cache-to: type=registry,ref=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}-cache:amd64,mode=max
          provenance: false
          push: true

  # Build arm64 image
  build-arm64:
    runs-on: blacksmith-16vcpu-ubuntu-2404-arm
    permissions:
      packages: write
      contents: read
    outputs:
      image-digest: ${{ steps.build.outputs.digest }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4

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

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Resolve image tags (arm64)
        id: tags
        shell: bash
        env:
          IMAGE: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
        run: |
          set -euo pipefail
          tags=()
          if [[ "${GITHUB_REF}" == "refs/heads/main" ]]; then
            tags+=("${IMAGE}:main-arm64")
          fi
          if [[ "${GITHUB_REF}" == refs/tags/v* ]]; then
            version="${GITHUB_REF#refs/tags/v}"
            tags+=("${IMAGE}:${version}-arm64")
          fi
          if [[ ${#tags[@]} -eq 0 ]]; then
            echo "::error::No arm64 tags resolved for ref ${GITHUB_REF}"
            exit 1
          fi
          {
            echo "value<<EOF"
            printf "%s\n" "${tags[@]}"
            echo "EOF"
          } >> "$GITHUB_OUTPUT"

      - name: Build and push arm64 image
        id: build
        uses: docker/build-push-action@v6
        with:
          context: .
          platforms: linux/arm64
          tags: ${{ steps.tags.outputs.value }}
          cache-from: type=registry,ref=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}-cache:arm64
          cache-to: type=registry,ref=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}-cache:arm64,mode=max
          provenance: false
          push: true

  # Create multi-platform manifest
  create-manifest:
    runs-on: blacksmith-16vcpu-ubuntu-2404
    permissions:
      packages: write
      contents: read
    needs: [build-amd64, build-arm64]
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Resolve manifest tags
        id: tags
        shell: bash
        env:
          IMAGE: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
        run: |
          set -euo pipefail
          tags=()
          if [[ "${GITHUB_REF}" == "refs/heads/main" ]]; then
            tags+=("${IMAGE}:main")
          fi
          if [[ "${GITHUB_REF}" == refs/tags/v* ]]; then
            version="${GITHUB_REF#refs/tags/v}"
            tags+=("${IMAGE}:${version}")
          fi
          if [[ ${#tags[@]} -eq 0 ]]; then
            echo "::error::No manifest tags resolved for ref ${GITHUB_REF}"
            exit 1
          fi
          {
            echo "value<<EOF"
            printf "%s\n" "${tags[@]}"
            echo "EOF"
          } >> "$GITHUB_OUTPUT"

      - name: Create and push manifest
        shell: bash
        run: |
          set -euo pipefail
          mapfile -t tags <<< "${{ steps.tags.outputs.value }}"
          args=()
          for tag in "${tags[@]}"; do
            [ -z "$tag" ] && continue
            args+=("-t" "$tag")
          done
          docker buildx imagetools create "${args[@]}" \
            ${{ needs.build-amd64.outputs.image-digest }} \
            ${{ needs.build-arm64.outputs.image-digest }}