Create cloudbuild to be triggered on each PR. (#279)

build/ci/cloudbuild.push_simple.yaml

@@ -0,0 +1,33 @@
+# Copyright 2024 Google LLC
+#
+# 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
+#
+#     https://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.
+
+steps:
+  - id: push-simple
+    name: gcr.io/cloud-builders/docker
+    entrypoint: "bash"
+    args:
+      - -c
+      - |
+        set -e
+        docker build -f build/simple/Dockerfile \
+          -t gcr.io/datcom-ci/datacommons-simple:$SHORT_SHA \
+          -t gcr.io/datcom-ci/datacommons-simple:latest \
+          .
+        docker push gcr.io/datcom-ci/datacommons-simple:$SHORT_SHA
+        docker push gcr.io/datcom-ci/datacommons-simple:latest
+
+timeout: 3600s
+options:
+  dynamic_substitutions: true
+  machineType: "E2_HIGHCPU_32"