push-to-dockerhub.yml

# This action will push version-tagged and latest images to Docker Hub
# This requires three secrets to be set, the first two should be stored in Organization
# Secrets, the last is a per-repository secret.
#   DOCKER_HUB_USERNAME: The Docker Hub username
#   DOCKER_HUB_ACCESS_TOKEN: Instead of a password
#   DOCKER_REPO_NAME: The full image name as it appears on Docker Hub

name: GitHub Release & Push to Docker Hub

on:
  push:
    tags: ["v*"]

jobs:
  Deploy:
    runs-on: ubuntu-20.04

    steps:
      - uses: actions/checkout@v4

      - name: Set up REPO and TAG environment vars
        run: |
          echo "REPO=${GITHUB_REPOSITORY#*/}" >> $GITHUB_ENV
          echo "TAG=${GITHUB_SHA:0:6}" >> $GITHUB_ENV

      - name: This run was triggered by a version tag, reset the $TAG variable to the tag name
        if: startsWith(github.ref, 'refs/tags/v')
        run: |
          echo "TAG=${GITHUB_REF#refs/tags/v}" >> $GITHUB_ENV

      - name: Create GitHub release
        if: ${{ contains(github.ref, 'refs/tags/') }}
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          gh release create v${TAG}

      # https://github.com/docker/setup-qemu-action
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

      # https://github.com/docker/setup-buildx-action
      - name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@v3

      - name: Available platforms
        run: echo ${{ steps.buildx.outputs.platforms }}

      # https://github.com/docker/login-action
      - name: Login to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKER_HUB_USERNAME }}
          password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}

      # https://github.com/docker/metadata-action
      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: ${{ secrets.DOCKER_REPO_NAME }}
          tags: |
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}

      # https://github.com/docker/build-push-action
      - name: Build and push to DockerHub
        uses: docker/build-push-action@v6
        with:
          context: .
          push: true
          platforms: linux/amd64,linux/arm64,linux/arm/v7
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}