Update docker-publish.yml

Author: simonszu

.github/workflows/docker-publish.yml

@@ -1,9 +1,4 @@
-name: Docker
-
-# 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.
+name: Create and publish a Docker image
 
 on:
   workflow_dispatch:
@@ -16,12 +11,12 @@ on:
   pull_request:
     branches: [ master ]
 
-
 env:
-  # Use docker.io for Docker Hub if empty
-  REGISTRY: docker.io
+  GH_REGISTRY: ghcr.io
   # github.repository as <account>/<repo>
-  IMAGE_NAME: simonszu/dosage
+  GH_IMAGE_NAME: ${{ github.repository }}
+  DOCKER_REGISTRY: docker.io
+  DOCKER_IMAGE_NAME: simonszu/dosage
 
 
 jobs:
@@ -34,23 +29,33 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
-      # Login against a Docker registry except on PR
-      # https://github.com/docker/login-action
-      - name: Log into registry ${{ env.REGISTRY }}
-        if: github.event_name != 'pull_request'
-        uses: docker/login-action@v1
+      - name: Log in to Docker Hub
+        uses: docker/login-action@f054a8b539a109f9f41c372932f1ae047eff08c9
         with:
-          registry: ${{ env.REGISTRY }}
           username: ${{ secrets.DOCKER_USER }}
           password: ${{ secrets.DOCKER_PASSWORD }}
 
-      # Build and push Docker image with Buildx (don't push on PR)
-      # https://github.com/docker/build-push-action
+      - name: Log in to Github Container registry
+        uses: docker/login-action@f054a8b539a109f9f41c372932f1ae047eff08c9
+        with:
+          registry: ${{ env.GH_REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@98669ae865ea3cffbcbaa878cf57c20bbf1c6c38
+        with:
+          images: |
+           ${{ env.GH_REGISTRY }}/${{ env.GH_IMAGE_NAME }}
+           ${{ env.DOCKER_IMAGE_NAME }}
+
       - name: Build and push Docker image
-        uses: docker/build-push-action@v2
+        uses: docker/build-push-action@ad44023a93711e3deb337508980b4b5e9bcdc5dc
         with:
           context: .
-          push: ${{ github.event_name != 'pull_request' }}
-          tags: ${{ env.IMAGE_NAME }}:latest
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}