fix again

.gitea/workflows/docker-builder.yml

@@ -252,22 +252,19 @@ jobs:
           cosign version
 
       - name: Sign image
-        if: env.IS_TAG == 'true'
         shell: bash
         run: |
           set -euo pipefail
 
-          echo "Check if image exists on registry"
-          docker pull ${IMAGE_NAME}:${VERSION} || true
-          docker images | grep "${IMAGE_BASE}"
-
-          echo "IMAGE_NAME=${REGISTRY_HOST}/${IMAGE_BASE}"
-          echo "VERSION=${VERSION}"
-
           IMAGE_TO_SIGN="${REGISTRY_HOST}/${IMAGE_BASE}:${VERSION}"
 
           echo "Signing image $IMAGE_TO_SIGN"
-          cosign sign --key ${{ secrets.COSIGN_KEY }} "$IMAGE_TO_SIGN"
+
+          # Cosign login falls nötig
+          export COSIGN_PASSWORD="${{ secrets.COSIGN_KEY }}"
+          
+          cosign sign --key <(echo "$COSIGN_PASSWORD") "$IMAGE_TO_SIGN"
+