feat: Update pr workflow to build results image

Signed-off-by: Brad Beam <brad.beam@stormforge.io>

Author: bradbeam

.github/workflows/pr.yaml

@@ -12,6 +12,9 @@ jobs:
     - name: Checkout code
       uses: actions/checkout@v2
 
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v1
+
     - name: Install kustomize
       run: |
         wget -q "https://github.com/kubernetes-sigs/kustomize/releases/download/kustomize%2Fv4.2.0/kustomize_v4.2.0_linux_amd64.tar.gz" -O - | tar xz
@@ -23,3 +26,11 @@ jobs:
         find . -type f -maxdepth 6 -name kustomization.yaml \
         | xargs -n1 dirname \
         | xargs -I{} sh -c 'echo "Building {}..."; kustomize build {} 1> /dev/null'
+
+    - name: Build and push
+      id: docker_build
+      uses: docker/build-push-action@v2
+      with:
+        context: ./webserver/voting-webapp/results-exporter
+        push: false
+        tags: prtest