Fix

Signed-off-by: ZePan110 <ze.pan@intel.com>

Author: ZePan110

.github/workflows/nightly-docker-build-publish.yml

@@ -27,11 +27,20 @@ jobs:
         run: |
           examples=($(echo ${EXAMPLES} | tr ',' ' '))
           examples_json=$(printf '%s\n' "${examples[@]}" | sort -u | jq -R '.' | jq -sc '.')
+          echo "$examples_json"
           echo "examples_json=$examples_json" >> $GITHUB_OUTPUT
           echo "EXAMPLES=$EXAMPLES" >> $GITHUB_OUTPUT
           echo "TAG=$TAG" >> $GITHUB_OUTPUT
           echo "PUBLISH_TAGS=$PUBLISH_TAGS" >> $GITHUB_OUTPUT
 
+  check:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check 
+        run: |
+          echo "EXAMPLES: ${{ env.EXAMPLES }}"
+          echo "examples_json: ${{ env.examples_json }}"
+
   build-and-test:
     needs: get-build-matrix
     if: ${{ fromJSON(needs.get-build-matrix.outputs.examples_json).length != 0 }}