docker.yml

name: Publish Docker image

on:
    release:
        types: [published]

env:
    IMAGE_NAME: ${{ github.event.repository.name }}

jobs:
    push-to-docker-hub:
        name: Push Docker image to Docker Hub
        runs-on: ubuntu-latest
        steps:
            - name: Check out the repo
              uses: actions/checkout@v4

            - name: Log in to Docker Hub
              uses: docker/login-action@v3
              if: github.event_name != 'pull_request'
              with:
                  username: ${{ secrets.DOCKER_USERNAME }}
                  password: ${{ secrets.DOCKER_PASSWORD }}

            - name: Extract metadata (tags, labels) for Docker
              id: meta
              uses: docker/metadata-action@v5
              with:
                  images: ${{ secrets.DOCKER_USERNAME }}/${{ env.IMAGE_NAME }}
                  tags: |
                      type=ref,event=branch
                      type=ref,event=pr
                      type=semver,pattern={{version}}
                      type=semver,pattern={{major}}.{{minor}}

            - name: Build and push Docker image
              uses: docker/build-push-action@v5
              with:
                  context: .
                  push: ${{ github.event_name != 'pull_request' }}
                  tags: ${{ steps.meta.outputs.tags }}
                  labels: ${{ steps.meta.outputs.labels }}

    push-to-github:
        name: Push Docker image to GitHub Packages
        runs-on: ubuntu-latest
        
        env:
            REGISTRY: ghcr.io
        
        permissions:
            contents: read
            packages: write
        
        steps:
            - name: Check out the repo
              uses: actions/checkout@v4

            - name: Log in to GitHub Packages
              uses: docker/login-action@v3
              if: github.event_name != 'pull_request'
              with:
                  registry: docker.pkg.github.com
                  username: ${{ github.actor }}
                  password: ${{ secrets.GITHUB_TOKEN }}

            - name: Extract metadata (tags, labels) for Docker
              id: meta
              uses: docker/metadata-action@v5
              with:
                  images: ${{ env.REGISTRY }}/${{ github.actor }}/${{ env.IMAGE_NAME }}
                  tags: |
                      type=ref,event=branch
                      type=ref,event=pr
                      type=semver,pattern={{version}}
                      type=semver,pattern={{major}}.{{minor}}

            - name: Build and push Docker image
              uses: docker/build-push-action@v5
              with:
                  context: .
                  push: ${{ github.event_name != 'pull_request' }}
                  tags: ${{ steps.meta.outputs.tags }}
                  labels: ${{ steps.meta.outputs.labels }}