added build and push action

.github/workflows/push-to-testing.yml

@@ -0,0 +1,35 @@
+name: Push manager to curator/curator-test
+
+on:
+  push:
+    branches:
+      - testing
+
+
+env:
+  QUAY_USERNAME: ${{ secrets.QUAY_USERNAME }}
+  QUAY_PASSWORD: ${{ secrets.QUAY_PASSWORD }}
+  IMAGE: curator-test
+  TAG:   latest
+  REPO:  curator
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Quay Login
+        uses: docker/login-action@v1
+        with:
+          registry: quay.io
+          username: ${{ env.QUAY_USERNAME }}
+          password: ${{ env.QUAY_PASSWORD }}
+
+      - name: Build and Push
+        uses: docker/build-push-action@v2
+        with:
+          push: true
+          tags: quay.io/${{ env.REPO }}/${{ env.IMAGE }}:${{ env.TAG }}
+          context: .