disable dockerhub

Author: kaysiz

.github/workflows/release.yml

@@ -23,11 +23,12 @@ jobs:
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
 
-      - name: Login to DockerHub
-        uses: docker/login-action@v3
-        with:
-          username: ${{ secrets.DOCKERHUB_USERNAME }}
-          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      # DockerHub login commented out for now (we are only using GHCR)
+      # - name: Login to DockerHub
+      #   uses: docker/login-action@v3
+      #   with:
+      #     username: ${{ secrets.DOCKERHUB_USERNAME }}
+      #     password: ${{ secrets.DOCKERHUB_TOKEN }}
 
       - name: Login to GHCR
         uses: docker/login-action@v3
@@ -55,7 +56,7 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-buildx-
 
-      # Build and push slim base with semantic + hash tags to both registries
+      # Build and push slim base with semantic + hash tags (GHCR only for now)
       - name: Build and push slim base
         uses: docker/build-push-action@v6
         with:
@@ -64,16 +65,16 @@ jobs:
           platforms: linux/amd64
           push: true
           tags: |
-            datacite/canis-base:latest
-            datacite/canis-base:${{ steps.version.outputs.version }}
-            datacite/canis-base:${{ steps.version.outputs.sha }}
+            # datacite/canis-base:latest
+            # datacite/canis-base:${{ steps.version.outputs.version }}
+            # datacite/canis-base:${{ steps.version.outputs.sha }}
             ghcr.io/datacite/canis-base:latest
             ghcr.io/datacite/canis-base:${{ steps.version.outputs.version }}
             ghcr.io/datacite/canis-base:${{ steps.version.outputs.sha }}
           cache-from: type=local,src=/tmp/.buildx-cache
           cache-to: type=local,dest=/tmp/.buildx-cache
 
-      # Build and push tools variant on top of the exact base SHA to both registries
+      # Build and push tools variant on top of the exact base SHA (GHCR only for now)
       - name: Build and push tools variant
         uses: docker/build-push-action@v6
         with:
@@ -82,9 +83,9 @@ jobs:
           platforms: linux/amd64
           push: true
           tags: |
-            datacite/canis-base-tools:latest
-            datacite/canis-base-tools:${{ steps.version.outputs.version }}
-            datacite/canis-base-tools:${{ steps.version.outputs.sha }}
+            # datacite/canis-base-tools:latest
+            # datacite/canis-base-tools:${{ steps.version.outputs.version }}
+            # datacite/canis-base-tools:${{ steps.version.outputs.sha }}
             ghcr.io/datacite/canis-base-tools:latest
             ghcr.io/datacite/canis-base-tools:${{ steps.version.outputs.version }}
             ghcr.io/datacite/canis-base-tools:${{ steps.version.outputs.sha }}