Add step to document on Docker Hub

.github/workflows/build.yml

@@ -62,7 +62,7 @@ jobs:
           path: ${{ runner.temp }}/digests/*
           if-no-files-found: error
           retention-days: 1
-  merge:
+  push:
     runs-on: ubuntu-latest
     needs:
       - build
@@ -101,15 +101,6 @@ jobs:
           docker buildx imagetools create $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
             $(printf '${{ vars.DOCKERHUB_REPO }}@sha256:%s ' *)       
 
-      - name: Update Docker Hub Description
-        uses: peter-evans/dockerhub-description@v4
-        with:
-          username: ${{ vars.DOCKERHUB_USERNAME }}
-          password: ${{ secrets.DOCKERHUB_PASSWORD }}
-          repository: ${{ vars.DOCKERHUB_REPO }}
-          readme-filepath: ./README.md
-          short-description: "Godbolt Compiler Explorer with amiga-gcc"
-
       - name: Inspect image
         run: |
           docker buildx imagetools inspect ${{ vars.DOCKERHUB_REPO }}:${{ steps.meta.outputs.version }}

.github/workflows/document.yml

@@ -0,0 +1,24 @@
+name: Update Docker Hub Description
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - README.md
+      - .github/workflows/document.yml
+  workflow_dispatch:
+jobs:
+  description:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Docker Hub Description
+      uses: peter-evans/dockerhub-description@v4
+      with:
+        username: ${{ vars.DOCKERHUB_USERNAME }}
+        password: ${{ secrets.DOCKERHUB_TOKEN }}
+        repository:  ${{ vars.DOCKERHUB_REPO }}
+        readme-filepath: ./README.md
+        short-description: ${{ github.event.repository.description }}
+        enable-url-completion: true