Update publish.yml to target GHCR

.github/workflows/publish.yml

@@ -1,24 +1,51 @@
-name: Publish
+name: Create and publish Docker image on ghcr.io
 
 on:
  push:
  branches:
  - main
 
+env:
+ REGISTRY: ghcr.io
+ IMAGE_NAME: ${{ github.repository }}
+
 jobs:
- docker-publish:
- name: Publish to Docker Hub
- runs-on: ubuntu-20.04
+ build-and-push-image:
+ runs-on: ubuntu-latest
+ permissions:
+ contents: read
+ packages: write
+
  steps:
- - name: Checkout code
- uses: actions/checkout@v2
- - name: Login to DockerHub
- uses: docker/login-action@v1
+ - name: Checkout repository
+ uses: actions/checkout@v4
+
+ # 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: Log in to the Container registry
+ uses: docker/login-action@v3
  with:
- username: ${{ secrets.DOCKER_USERNAME }}
- password: ${{ secrets.DOCKER_PASSWORD }}
- - name: Build and push
- uses: docker/build-push-action@v2
+ registry: ${{ env.REGISTRY }}
+ username: ${{ github.actor }}
+ password: ${{ secrets.GITHUB_TOKEN }}
+
+ - name: Extract metadata (tags, labels) for Docker
+ id: meta
+ uses: docker/metadata-action@v5
+ with:
+ images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+
+ - name: Build and push Docker image
+ uses: docker/build-push-action@v5
  with:
+ context: .
+ platforms: linux/amd64,linux/arm64,linux/arm/v7
  push: true
- tags: dchesterton/amcrest2mqtt:latest
+ tags: ${{ steps.meta.outputs.tags }}
+ labels: ${{ steps.meta.outputs.labels }}