build.yml

name: Build and Push Docker

on:
  push:
    tags:
      - 'v*'
  release:
    types: [published]
  workflow_dispatch:
    inputs:
      tag:
        description: 'Custom Docker Tag (leave blank to use the branch name or commit SHA)'
        required: false

env:
  DOCKERHUB_USERNAME: ${{ secrets.DOCKERHUB_USERNAME }}
  DOCKERHUB_TOKEN: ${{ secrets.DOCKERHUB_TOKEN }}
  IMAGE_NAME: hermeznetwork/cdk-erigon

jobs:
  prepare:
    runs-on: ubuntu-latest
    outputs:
      version: ${{ steps.prep.outputs.version }}
      latest_tag: ${{ env.LATEST_TAG }}
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
      - name: Prepare
        id: prep
        run: |
          BRANCH_NAME=$(echo ${GITHUB_REF#refs/heads/} | sed 's/[^a-zA-Z0-9._-]/-/g')
          SHORT_SHA=$(echo ${{ github.sha }} | head -c 7)
          echo "BRANCH_NAME=${BRANCH_NAME}" >> $GITHUB_ENV
          echo "SHORT_SHA=${SHORT_SHA}" >> $GITHUB_ENV
          TAG=${{ github.event.inputs.tag }}
          if [[ -z "$TAG" ]]; then
            if [[ "${{ github.event_name }}" == "workflow_dispatch" ]]; then
              TAG=$BRANCH_NAME-$SHORT_SHA
            elif [[ "${{ github.event_name }}" == "push" ]]; then
              TAG=$SHORT_SHA
            elif [[ "${{ github.event_name }}" == "release" ]]; then
              TAG=${{ github.event.release.tag_name }}
            fi
          fi
          echo "version=$TAG" >> $GITHUB_OUTPUT
          if [[ "${{ github.event_name }}" == "workflow_dispatch" ]]; then
            echo "LATEST_TAG=false" >> $GITHUB_ENV
          else
            echo "LATEST_TAG=true" >> $GITHUB_ENV
          fi

  build-amd64:
    needs: prepare
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
      - name: Login to DockerHub
        uses: docker/login-action@v3
        with:
          username: ${{ env.DOCKERHUB_USERNAME }}
          password: ${{ env.DOCKERHUB_TOKEN }}
      - name: Build and push AMD64 image
        uses: docker/build-push-action@v3
        with:
          context: .
          file: Dockerfile
          push: true
          tags: ${{ env.IMAGE_NAME }}:${{ needs.prepare.outputs.version }}-amd64
          platforms: linux/amd64

  build-arm64:
    needs: prepare
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
      - name: Login to DockerHub
        uses: docker/login-action@v3
        with:
          username: ${{ env.DOCKERHUB_USERNAME }}
          password: ${{ env.DOCKERHUB_TOKEN }}
      - name: Build and push ARM64 image
        uses: docker/build-push-action@v3
        with:
          context: .
          file: Dockerfile
          push: true
          tags: ${{ env.IMAGE_NAME }}:${{ needs.prepare.outputs.version }}-arm64
          platforms: linux/arm64

  create-and-push-manifest:
    needs: [prepare, build-amd64, build-arm64]
    runs-on: ubuntu-latest
    steps:
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
      - name: Login to DockerHub
        uses: docker/login-action@v3
        with:
          username: ${{ env.DOCKERHUB_USERNAME }}
          password: ${{ env.DOCKERHUB_TOKEN }}
      - name: Create and push manifest
        run: |
          docker buildx imagetools create \
            --tag ${{ env.IMAGE_NAME }}:${{ needs.prepare.outputs.version }} \
            ${{ env.IMAGE_NAME }}:${{ needs.prepare.outputs.version }}-amd64 \
            ${{ env.IMAGE_NAME }}:${{ needs.prepare.outputs.version }}-arm64
          
          if [ "${{ needs.prepare.outputs.latest_tag }}" == "true" ]; then
            docker buildx imagetools create \
              --tag ${{ env.IMAGE_NAME }}:latest \
              ${{ env.IMAGE_NAME }}:${{ needs.prepare.outputs.version }}-amd64 \
              ${{ env.IMAGE_NAME }}:${{ needs.prepare.outputs.version }}-arm64
          fi