diff --git a/.github/workflows/build-patroni-exporter.yml b/.github/workflows/build-patroni-exporter.yml
new file mode 100644
index 0000000..0890f15
--- /dev/null
+++ b/.github/workflows/build-patroni-exporter.yml
@@ -0,0 +1,59 @@
+name: Build patroni-exporter image
+
+on:
+  workflow_dispatch:
+    inputs:
+      image_tag:
+        description: 'Image tag'
+        required: true
+        default: 'latest'
+
+jobs:
+
+  build-docker-image:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Set up QEMU
+      uses: docker/setup-qemu-action@v2
+
+    - name: Login to harbor registry
+      uses: docker/login-action@v2
+      with:
+        registry: "${{ secrets.HARBOR_IP }}"
+        username: ${{ secrets.HARBOR_USER }}
+        password: ${{ secrets.HARBOR_TOKEN }}
+    - name: Setup docker context for buildx
+      id: buildx-context
+      run: docker context create builders || docker context use builders
+
+    - name: Create BuildKit Configuration
+      run: |
+        cat <<EOF > buildkitd.toml
+        [registry."${{ secrets.HARBOR_IP }}"]
+          http = false
+          insecure = false
+          ca=["/etc/ssl/certs/ca-certificates.crt"]
+        EOF
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v2
+      with:
+        version: v0.9.1
+        endpoint: builders
+        buildkitd-flags: --debug
+        config: buildkitd.toml
+
+    - name: Checkout cads-patroni-exporter repo
+      uses: actions/checkout@v3
+      with:
+        repository: ecmwf-projects/cads-patroni-exporter
+        token: ${{ secrets.CADS_PAT }}
+        path: .
+
+    - name: Build and push
+      uses: docker/build-push-action@v3
+
+      with:
+        context: .
+        push: true
+        tags: ${{ secrets.HARBOR_IP }}/cads/cads-patroni-exporter:${{ github.event.inputs.image_tag }}
+        file: Dockerfile