Add latest tag

Author: Tom Larkworthy

.github/workflows/dockerhub.yaml

@@ -18,12 +18,11 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v3
 
-      - name: Log in to the Container registry
+      - name: Log in to Docker Hub
         uses: docker/login-action@f054a8b539a109f9f41c372932f1ae047eff08c9
         with:
-          registry: ${{ env.REGISTRY }}
-          username: ${{ github.actor }}
-          password: ${{ secrets.GITHUB_TOKEN }}
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
 
       - name: Extract metadata (tags, labels) for Docker
         id: meta
@@ -37,4 +36,6 @@ jobs:
           context: .
           push: true
           tags: ${{ steps.meta.outputs.tags }}
-          labels: ${{ steps.meta.outputs.labels }}
+          labels: ${{ steps.meta.outputs.labels }}
+      - name: Run latest-tag
+        uses: EndBug/latest-tag@latest