main.yml

name: Deploy Docker image to Docker Hub
on:
  push:
    tags:
      - 'v[0-9].[0-9]+.[0-9]+'
    branches:
      - main

jobs:
  deploy:
    runs-on: ubuntu-latest
    if: github.ref == 'refs/heads/main'
    steps:
      - name: Extract Version
        id: version_step
        run: |
          echo "##[set-output name=version;]VERSION=${GITHUB_REF#$"refs/tags/v"}"
          echo "##[set-output name=version_tag;]$GITHUB_REPOSITORY:${GITHUB_REF#$"refs/tags/v"}"
          echo "##[set-output name=latest_tag;]$GITHUB_REPOSITORY:latest"
      - name: Print Version
        run: |
          echo ${{steps.version_step.outputs.version_tag}}
          echo ${{steps.version_step.outputs.latest_tag}}
          
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v1

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v1

      - name: Login to DockerHub
        uses: docker/login-action@v1
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_ACCESS_TOKEN }}

      - name: PrepareReg Names
        id: read-docker-image-identifiers
        run: |
          echo VERSION_TAG=$(echo ${{ steps.version_step.outputs.version_tag }} | tr '[:upper:]' '[:lower:]') >> $GITHUB_ENV
          echo LASTEST_TAG=$(echo ${{ steps.version_step.outputs.latest_tag  }} | tr '[:upper:]' '[:lower:]') >> $GITHUB_ENV
      - name: Build and push
        id: docker_build
        uses: docker/build-push-action@v2
        with:
          push: true
          tags: |
            ${{env.VERSION_TAG}}
            ${{env.LASTEST_TAG}}
          build-args: |
            ${{steps.version_step.outputs.version}}