diff --git a/.github/workflows/publish_map.yml b/.github/workflows/publish_map.yml
index 5fc67d6..73e0d18 100644
--- a/.github/workflows/publish_map.yml
+++ b/.github/workflows/publish_map.yml
@@ -9,6 +9,11 @@ on:
 jobs:
   build:
 
+    permissions:
+      contents: read
+      packages: write
+      id-token: write
+
     runs-on: ${{ matrix.os }}
 
     strategy:
@@ -53,7 +58,41 @@ jobs:
         monai-deploy package app --base nvcr.io/nvidia/pytorch:22.08-py3 --tag map-init:temp -l DEBUG
         docker images
         docker build --build-arg INIT_CONTAINER=map-init:temp -t map-final:temp app
+        echo "IMAGE_DIGEST=$(docker images --no-trunc -q map-final:temp)" >> $GITHUB_ENV 
         docker images
         monai-deploy run map tests/data/rtstructwriter/dcm tests/data/output
         ls tests/data/output
-        if test -f "tests/data/output/output-rt-struct.dcm"; then echo "Output RT Struct exists."; fi
\ No newline at end of file
+        if test -f "tests/data/output/output-rt-struct.dcm"; then echo "Output RT Struct exists."; fi
+
+    - name: Build Software Build of Materials
+      uses: aquasecurity/trivy-action@master
+      with:
+        image-ref: ${{ env.IMAGE_DIGEST }} 
+        format: spdx-json
+        output: sbom.spdx.json
+
+    - name: Log in to the Container registry
+      uses: docker/login-action@v3
+      with:
+        registry: ${{ env.REGISTRY }}
+        username: ${{ github.actor }}
+        password: ${{ secrets.GITHUB_TOKEN }}
+
+    - name: Tag Docker image
+      run: docker tag map-final:temp ghcr.io/${{ github.repository }}/map-final:temp
+
+    - name: Push Docker image
+      run: docker push ghcr.io/${{ github.repository }}/map-final:temp
+
+    - name: Install sigstore cosign
+      uses: sigstore/cosign-installer@main
+
+    - name: Sign image
+      env:
+        COSIGN_EXPERIMENTAL: "true"
+      run: cosign sign --yes ghcr.io/${{ github.repository }}@${{ env.IMAGE_DIGEST }}
+
+    - name: Sign attestations
+      env:
+        COSIGN_EXPERIMENTAL: "true"
+      run: cosign attest --yes --type spdx --predicate sbom.spdx.json ghcr.io/${{ github.repository }}@${{ env.IMAGE_DIGEST }}