chore: build and push docker image using github actions

.github/workflows/build-push.yml

@@ -0,0 +1,30 @@
+name: "build-push"
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+env:
+  GO_VERSION: 1.21.8
+
+jobs:
+  acceptance:
+    runs-on: ubuntu-latest
+    steps:
+      - id: checkout
+        uses: actions/checkout@v4
+      - id: generate-tag
+        run: |
+          bash scripts/generate-tags.sh > .tag
+      - id: push-to-gar
+        uses: grafana/shared-workflows/actions/push-to-gar-docker@main
+        with:
+          registry: "us-docker.pkg.dev/grafanalabs-dev/docker-influx2cortex-dev"
+          tags: |-
+            "test-tag"
+            "latest"
+          context: "."
+          image_name: "influx2cortex"
+          environment: "dev"