docker-image.yml

name: Publish Docker image

on:
  push:
    branches: [ "master" ]

env:
  REGISTRY_GITHUB: ghcr.io
  REGISTRY_DOCKERHUB: randark
  IMAGE_NAME_GITHUB: ${{ github.repository }}

jobs:
  push_to_registries:
    name: Push Docker image to multiple registries
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

    steps:

      - name: Check out the repo
        uses: actions/checkout@v3

      - name: Log in to Docker Hub
        uses: docker/login-action@f054a8b539a109f9f41c372932f1ae047eff08c9
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Log into registry ${{ env.REGISTRY_GITHUB }}
        if: github.event_name != 'pull_request'
        uses: docker/login-action@28218f9b04b4f3f62068d7b6ce6ca5b26e35336c
        with:
          registry: ${{ env.REGISTRY_GITHUB }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN  }}

      - name: Get repository name
        id: repo-name
        uses: MariachiBear/get-repo-name-action@v1.1.0
        with:
          string-case: lowercase

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@98669ae865ea3cffbcbaa878cf57c20bbf1c6c38
        with:
          images: |
            ${{ env.REGISTRY_DOCKERHUB }}/${{ steps.repo-name.outputs.repository-name }}
            ${{ env.REGISTRY_GITHUB }}/${{ env.IMAGE_NAME_GITHUB }}

      - name: Build and push Docker images
        uses: docker/build-push-action@ad44023a93711e3deb337508980b4b5e9bcdc5dc
        with:
          context: .
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}

      - name: Docker Hub Description
        uses: peter-evans/dockerhub-description@v3
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}
          repository: ${{ env.REGISTRY_DOCKERHUB }}/${{ steps.repo-name.outputs.repository-name }}