Tweaked GitHub publish workflow

.github/workflows/docker-publish.yml

@@ -6,6 +6,8 @@ name: Create and publish a Docker image
 # documentation.
 
 on:
+  schedule:
+    - cron: "0 10 * * *"
   push:
     branches: [ "master" ]
     # Publish semver tags as releases.
@@ -64,6 +66,14 @@ jobs:
         uses: docker/metadata-action@98669ae865ea3cffbcbaa878cf57c20bbf1c6c38
         with:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=schedule
+            type=ref,event=branch
+            type=ref,event=pr
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=semver,pattern={{major}}
+            type=sha
 
       # Build and push Docker image with Buildx (don't push on PR)
       # https://github.com/docker/build-push-action