build(ethtool): add job to build and publish image
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index e831222..dd1d5b8 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -3,6 +3,39 @@
   pull_request: {}
 
 jobs:
+  build-prometheus-ethtool-exporter:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3.0.2 
+        with:
+          fetch-depth: 0
+      - uses: tj-actions/changed-files@v29.0.2
+        id: changed-files
+        with:
+          files: images/prometheus-ethtool-exporter/*
+      - uses: docker/setup-qemu-action@v2.0.0
+        if: steps.changed-files.outputs.any_changed == 'true'
+      - uses: docker/setup-buildx-action@v2.0.0
+        if: steps.changed-files.outputs.any_changed == 'true'
+      - uses: docker/login-action@v2.0.0
+        if: steps.changed-files.outputs.any_changed == 'true'
+        with:
+          registry: quay.io
+          username: ${{ secrets.QUAY_USERNAME }}
+          password: ${{ secrets.QUAY_ROBOT_TOKEN }}
+      - uses: docker/build-push-action@v3.1.1
+        if: steps.changed-files.outputs.any_changed == 'true'
+        with:
+          context: images/prometheus-ethtool-exporter
+          cache-from: type=gha,scope=prometheus-ethtool-exporter
+          cache-to: type=gha,mode=max,scope=prometheus-ethtool-exporter
+          platforms: linux/amd64,linux/arm64
+          push: true
+          build-args: |
+            PROJECT_REF=$(cat images/prometheus-ethtool-exporter/ref)
+          tags: |
+            quay.io/vexxhost/ethtool-exporter:$(cat images/prometheus-ethtool-exporter/ref)
+
   build-image-strategy:
     runs-on: ubuntu-latest
     steps: