Make docker image available for inspection

.github/workflows/ci.yaml

@@ -70,12 +70,6 @@ jobs:
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v1
 
-      - name: Login to DockerHub
-        uses: docker/login-action@v1
-        with:
-          username: ${{ secrets.DOCKER_HUB_USERNAME }}
-          password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}
-
       - name: Build and push
         id: docker_build
         uses: docker/build-push-action@v2
@@ -84,6 +78,7 @@ jobs:
           file: ./Dockerfile
           cache-from: type=local,src=/tmp/.buildx-cache
           cache-to: type=local,dest=/tmp/.buildx-cache,mode=max
+          load: true
           push: ${{ github.event_name != 'pull_request' }}  # Push the master branch only
           tags: ${{ steps.docker_meta.outputs.tags }}
           # Use runtime labels from docker_meta as well as fixed labels

.github/workflows/release.yaml

@@ -90,6 +90,7 @@ jobs:
           # Allow running the image on the architectures supported by nginx-unprivileged:alpine.
           platforms: linux/amd64,linux/arm/v7,linux/arm64
           push: true
+          load: true
           tags: ${{ steps.docker_meta.outputs.tags }}
           # Use runtime labels from docker_meta as well as fixed labels
           labels: |