cd-docker-hub.yml

# This workflow uses actions that are not certified by GitHub.
# They are provided by a third-party and are governed by
# separate terms of service, privacy policy, and support
# documentation.

# GitHub recommends pinning actions to a commit SHA.
# To get a newer version, you will need to update the SHA.
# You can also reference a tag or branch, but the action may change without warning.

name: Build and push Docker image to Docker Hub

on:
  workflow_dispatch:
  release:
    branches: [ main ]
    types: [ published ]

env:
  PLATFORMS: linux/amd64,linux/arm64,linux/arm/v7

jobs:
  build_and_push_image:
    runs-on: ubuntu-22.04

    steps:
      - name: Checkout repository
        uses: actions/checkout@v3

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v2

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2

      - name: Log in to Docker Hub
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      - id: docker-image-to-lowercase
        name: Convert Docker image to lower case
        run: echo "DOCKER_IMAGE=$(echo ${{ secrets.DOCKER_USERNAME }}/${{ github.event.repository.name }} | tr '[:upper:]' '[:lower:]')" >> $GITHUB_ENV

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: ${{ env.DOCKER_IMAGE }}
          tags: |
            type=semver,pattern={{version}}
            latest

      - name: Build and push image to Docker Hub
        uses: docker/build-push-action@v3
        with:
          context: .
          push: true
          platforms: ${{ env.PLATFORMS }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}