build-push.yaml

name: Build docker image
on:
  push:
    branches:
      - master
    tags:
      - '**'
  workflow_dispatch:
    inputs:
      repository: 
        default: ethpandaops/ethereum-genesis-generator
        type: string
        required: true
      ref:
        description: The branch, tag or SHA to checkout and build from
        default: master
        type: string
        required: true
      docker_tag:
        description: Override target docker tag (defaults to the above source ref if left blank)
        type: string
        required: false

jobs:
  build-push:
    name: build-x64
    runs-on: ubuntu-latest
    steps:
      - name: Checkout this repo
        uses: actions/checkout@v3
      - name: Set up Docker Context for Buildx
        shell: bash
        id: buildx-context
        run: |
          docker context use builders || docker context create builders 
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2
        with:
          endpoint: builders
      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: ethpandaops/ethereum-genesis-generator
          flavor: latest=true
          tags: |
            type=ref,event=branch
            type=ref,event=pr
            type=semver,pattern={{version}}
  build-push-arm:
    name: build-arm
    runs-on: ARM
    steps:
      - name: Checkout this repo
        uses: actions/checkout@v3
      - name: Set up Docker Context for Buildx
        shell: bash
        id: buildx-context
        run: |
          docker context use builders || docker context create builders 
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2
        with:
          endpoint: builders
      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: ethpandaops/ethereum-genesis-generator
          flavor: latest=true
          tags: |
            type=ref,event=branch
            type=ref,event=pr
            type=semver,pattern={{version}}
  push-image:
    needs: 
      - build-x64
      - build-arm
    name: push-image
    runs-on: ubuntu-latest
    steps:
      - name: Login to Docker Hub
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}
      - name: docker-build-push
        id: docker_build
        uses: docker/build-push-action@v4
        with:
          context: .
          file: Dockerfile
          tags: ${{ steps.meta.outputs.tags }}
          push: true
          platforms: linux/amd64,linux/arm64
      - name: Image digest
        run: echo ${{ steps.docker_build.outputs.digest }}