diff --git a/.github/workflows/build-manually.yaml b/.github/workflows/build-manually.yaml
new file mode 100644
index 0000000..77609b9
--- /dev/null
+++ b/.github/workflows/build-manually.yaml
@@ -0,0 +1,56 @@
+name: Build Embargo Butler ingest container on demand
+on:
+  workflow_dispatch:
+    inputs:
+      rubinenvVersion:
+        description: 'rubin-env version'
+        required: true
+        default: '7.0.1'
+      obsLsstVersion:
+        description: 'Science Pipelines release'
+        required: true
+        default: 'w_2023_41'
+
+
+env:
+  INGEST_NAME: embargo-butler-ingest
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    permissions:
+      packages: write
+      contents: read
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v3
+
+    - name: Build ingest image
+      run: |
+        docker build . \
+          -f Dockerfile.ingest \
+          --tag $INGEST_NAME \
+          --label "runnumber=${GITHUB_RUN_ID}" \
+          --build-arg "RUBINENV_VERSION=${{ inputs.rubinenvVersion }}" \
+          --build-arg "OBS_LSST_VERSION=${{ inputs.obsLsstVersion }}"
+
+    - name: Log in to GitHub Container Registry
+      run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u $ --password-stdin
+
+    - name: Push image
+      run: |
+        INGEST_ID=ghcr.io/${{ github.repository_owner }}/$INGEST_NAME
+
+        if [[ "${{ github.ref }}" == "refs/pull/"* ]]; then
+          VERSION=$(echo "${{ github.head_ref }}" | sed -e 's|.*/||')
+        elif [[ "${{ github.ref }}" == "refs/tags/"* ]]; then
+          VERSION=$(echo "${{ github.ref_name }}" | sed -e 's|^v||')
+        else
+          VERSION=latest
+        fi
+        INGEST_VERSION="${VERSION}-${{ inputs.obsLsstVersion }}"
+        echo INGEST_ID=$INGEST_ID
+        echo VERSION=$VERSION
+        echo INGEST_VERSION=$INGEST_VERSION
+        docker tag $INGEST_NAME $INGEST_ID:$INGEST_VERSION
+        docker push $INGEST_ID:$INGEST_VERSION
diff --git a/Dockerfile.ingest b/Dockerfile.ingest
index 556d225..859f912 100644
--- a/Dockerfile.ingest
+++ b/Dockerfile.ingest
@@ -21,10 +21,13 @@
 
 # Dockerfile for ingest service.
 
-FROM lsstsqre/newinstall:7.0.1
+ARG RUBINENV_VERSION=7.0.1
+FROM lsstsqre/newinstall:${RUBINENV_VERSION}
+ARG OBS_LSST_VERSION
+ENV OBS_LSST_VERSION=${OBS_LSST_VERSION:-w_2023_41}
 USER lsst
 RUN source loadLSST.bash && mamba install redis-py rucio-clients
-RUN source loadLSST.bash && eups distrib install -t "w_2023_39" obs_lsst
+RUN source loadLSST.bash && eups distrib install -t "${OBS_LSST_VERSION}" obs_lsst
 COPY src/ingest.py src/exposure_info.py src/utils.py src/rucio_interface.py ./ingest/
 # Environment variables that must be set:
 # REDIS_HOST REDIS_PASSWORD BUCKET BUTLER_REPO