Add release automation for image tags

Relates-To: #13
Signed-off-by: Sean Eagan <seaneagan1@gmail.com>
Change-Id: Iecfc6e4ddf456ec2bd5269829fbbf6ea9024ce83

.github/workflows/release.yaml

@@ -0,0 +1,44 @@
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+name: release
+
+# Expects git tags semver format e.g. v1.2.3
+on:
+  push:
+    tags:
+      - 'v*'
+
+jobs:
+  release-image:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Login to image registry
+        uses: docker/login-action@v1
+        with:
+          registry: quay.io
+          username: ${{ secrets.QUAY_USERNAME }}
+          password: ${{ secrets.QUAY_PASSWORD }}
+      - name: Publish semver image tags
+        run: |
+          set -x
+          set -e
+
+          export IMAGE_TAG=$(echo "${TAG_REF}" | sed -e 's|refs/tags/||')
+          export COMMIT="$COMMIT"
+          export PUSH_IMAGE="true"
+          make images
+        env:
+          TAG_REF: ${{ github.ref }}
+          COMMIT: ${{ github.sha }}