cdk/.github/workflows/docker-publish-arm.yml

name: Publish Docker Image ARM64

on:
  release:
    types: [published]
  workflow_dispatch:
    inputs:
      tag:
        description: 'Tag to build and publish'
        required: true
        default: 'latest'

env:
  REGISTRY: docker.io
  IMAGE_NAME: cashubtc/mintd

jobs:
  build-and-push:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

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

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

      - name: Login to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=raw,value=latest-arm64,enable=${{ github.event_name == 'release' }}
            type=semver,pattern={{version}}-arm64
            type=semver,pattern={{major}}.{{minor}}-arm64
            type=ref,event=branch,suffix=-arm64
            type=ref,event=pr,suffix=-arm64
            type=sha,suffix=-arm64
            ${{ github.event.inputs.tag != '' && format('{0}-arm64', github.event.inputs.tag) || '' }}

      # Build and push ARM64 image with architecture suffix
      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          push: true
          platforms: linux/arm64
          file: ./Dockerfile.arm
          tags: ${{ steps.meta.outputs.tags }}-arm64
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max