publish-on-tag.yml

name: Publish Docker image on tag

on:
  push:
    tags:
      - 'v*'

jobs:
  push_to_dockerhub:
    name: Push Docker image to Docker Hub
    runs-on: ubuntu-22.04
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Extract metadata
        id: meta
        run: |
          echo "TAG=${GITHUB_REF#refs/tags/}" >> $GITHUB_OUTPUT
          echo "VERSION=${GITHUB_REF#refs/tags/v}" >> $GITHUB_OUTPUT

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

      - 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: Build and push
        uses: docker/build-push-action@v6
        with:
          context: .
          platforms: linux/amd64,linux/arm64
          push: true
          tags: getumbrel/bitcoind:${{ steps.meta.outputs.TAG }}
          build-args: |
            VERSION=${{ steps.meta.outputs.VERSION }}