docker-hub-image-publish.yml

name: Publish Docker Image to DockerHub

on:
  release:
    types:
      - published
  schedule:
    - cron: "0 0 * * *"
  workflow_dispatch:
    inputs:
      wants_production_build:
        description: "Production build instead of nightly?"
        required: false
        default: false
        type: boolean

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

env:
  REGISTRY: docker.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  publish:
    name: Publish Docker Image to DockerHub
    runs-on: ubuntu-latest
    timeout-minutes: 30

    steps:
      - name: Checkout dev branch for nightly build
        uses: actions/checkout@v3
        if: ${{ github.event_name == 'schedule' || (github.event_name == 'workflow_dispatch' && !inputs.wants_production_build) }}
        with:
          ref: "refs/heads/dev"

      - name: Checkout main branch for production build
        uses: actions/checkout@v3
        if: ${{ github.event_name == 'release' || (github.event_name == 'workflow_dispatch' && inputs.wants_production_build) }}
        with:
          ref: "refs/heads/master"

      - name: Extract metadata (tags, labels) for Docker tags & labels
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=raw,value=latest,priority=100,enable=${{ github.event_name == 'release' || (github.event_name == 'workflow_dispatch' && inputs.wants_production_build) }}
            type=semver,priority=200,pattern={{raw}},enable=${{ github.event_name == 'release' || (github.event_name == 'workflow_dispatch' && inputs.wants_production_build) }}
            type=raw,value=nightly,priority=300,enable=${{ github.event_name == 'schedule' || (github.event_name == 'workflow_dispatch' && !inputs.wants_production_build) }}

      - name: Set up QEMU for multi-arch builds
        uses: docker/setup-qemu-action@v2

      - name: Set up Docker Buildx for multi-arch builds
        id: buildx
        uses: docker/setup-buildx-action@v2

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

      - name: Build and push Docker image to DockerHub
        uses: docker/build-push-action@v3
        with:
          context: .
          push: true
          platforms: linux/amd64, linux/arm64
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}